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  • Help with E-Mail error code 550 5.7.1

    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:...

    Dan197315 pointsBadges:
  • Exchange 550 5.7.1 Unable to relay

    our one of the user not able to send the mail to yahoo.co.in domain from exchange

    Mmaharana65 pointsBadges:
  • URGENT E-Mail issue 550 5.7.1 Requested action not taken: message refused

    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:...

    Wwebsus65 pointsBadges:
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