I changed the MX record for a client a couple hours ago. I can send email out from the client to my work account and it works fine. but if I reply back to that email i get the following. Is this normal behavior for an MX change as it transitions?
The original message was received at Fri, 6 Apr 2012 18:44:33 -0400 from mail.networksolutionsemail.com [205.178.x.x]
----- The following addresses had permanent fatal errors ----- <email@example.com>
(reason: 550 5.1.1 <firstname.lastname@example.org> recipient rejected)
----- Transcript of session follows ----- ... while talking to mx-mg.startlogic.com.:
>>> RCPT To:<email@example.com>
<<< 550 5.1.1 <firstname.lastname@example.org> recipient rejected 550 5.1.1 <email@example.com>... User unknown
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