I've set up POP accounts at my hosting service. When I send mail to the account, I get this little message sent back:
The following addresses had permanent fatal errors ----- <firstname.lastname@example.org> (reason: 550 5.1.1 User unknown) -------------------------------------------------
It seems that after transferring the domain to the new DNS's - the mail server address was still set to the old host's mail server. I've contacted the new host who told me that they have changed the mail server to the correct name-
Will this take time to resolve or should the process be instantaneous. It's been quite a while and these folks would like their email;)
Assuming that using "theirsite.com" in your example was referring to the new host the DNS is set up properly. That means that the change needs to be made in thier mail server. Those changes should be instant.
since the mail is already going to the new host and getting an error back from it makes me believe that the MX record is already being picked up by the sending mail server. Unfortunately, the new mail server is sending back an error. Wouldn't that make you think that the new mail server needs a little adjustment? If that's the case, then it can happen immediately.
Well it's been a full day and still problems. I set up four POP accounts. Three of them receive their mail as intended - One account seems to be having a problem. The mail on this one account is bounced back as an unknown user or something to that affect.
It seems the technical staff at my host is in a bit of quandary as well...I just see test mail after test mail followed by the failed error messages.
Although two did arrive in the inbox somehow or another? What could this be?