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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 refusedReason:...

View Answer   |  Mar 14 2008   8:35 PM GMT   |  asked by Wwebsus
Exchange 2003, 550 5.7.1, Exchange error messages


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