16-03-2022 18:58:34  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:58:38  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:58:42  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:58:46  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:58:50  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:58:55  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:58:59  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:03  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:08  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:12  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:16  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:20  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:25  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:29  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:33  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:38  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:42  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:46  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:50  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:55  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 18:59:59  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:03  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:08  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:12  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:17  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:21  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:25  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:29  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:34  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:38  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:42  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:46  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:51  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:55  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:00:59  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:03  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:08  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:12  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:16  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:20  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:24  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:29  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:33  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:37  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:41  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:46  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:50  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:54  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:01:58  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:03  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:07  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:11  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:16  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:20  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:24  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:28  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:33  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:37  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:41  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:45  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:50  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:54  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:02:58  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:02  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:07  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:11  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:15  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:19  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:24  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:28  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:32  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:37  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:41  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:45  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:49  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:54  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:03:58  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:02  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:07  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:11  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:15  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:20  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:24  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:28  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:32  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:37  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90
16-03-2022 19:04:41  The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
System.Net.Mail.SmtpException: The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.0 Authentication Required. Learn more at
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 255
   at EmailSender.sendmailnow() in d:\EmailingApplication\Durga\AutoEmail\AutoEmail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 90