10-11-2022 11:54:41  The operation has timed out.
System.Net.Mail.SmtpException: The operation has timed out.
   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
10-11-2022 11:55:16  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