4/1/2024 12:00:04 AM  Transaction failed. The server response was: 5.7.1 <unknown[182.77.48.239]>: Client host rejected: Access denied
System.Net.Mail.SmtpException: Transaction failed. The server response was: 5.7.1 <unknown[182.77.48.239]>: Client host rejected: Access denied
   at EmailSender.sendnow(String EmailAddress, String TestID, String LedgerTransactionNo, String PName, String TestName, String Header, String typeOfCC, String BarcodeNo) in e:\Users\Admin\Downloads\AutoMail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 256
   at EmailSender.sendmailnow() in e:\Users\Admin\Downloads\AutoMail\ws_AutoMailService\BusinessLogin\EmailSender.cs:line 116