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Can anyone help me please. I am trying to send an email to a business account but I keep getting the mails bounced back to me with the following error code. I have also tried to email someone else at their headquarters and get the same message...... reason: 550 5.7.1 Requested action not taken:...
our one of the user not able to send the mail to yahoo.co.in domain from exchange
About a couple weeks ago we were forced to change our IP address. Everything changed just fine and we were able to send e-mails without any problems until today we started receiving these messages -- but only from certain domains. 550 5.7.1 Requested action not taken: message refused Reason:...