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Exchange 2000 inbound failure

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by computer geek 1 view

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We recentlly moved an exchange server (physically) from one domain to another. The MX and host records and everything have been taken care of and they are able to send and receive mails.
There is only one exception. They are unable to receive emails from one address, as far as they can tell. They can send emails to this address, it's just receiving. It bounces back.
It is behind a firewall, but I don't understand why only one address would be blocked. Could it be the firewall, or should I be looking elsewhere. Again, it only seems to bounce back from only one incoming address.

7 replies

by computer geek

Yes, the IP Address has been updated. When I checked the SMTP virtual domain server the IP Address was set to All Unassigned instead of its IP Address. I switched it to the IP Address. Was that the correct thing to do?

by bfilmfan

On the domain which you moved the server from, have you started the Recipient Update Service on it?

I know it sounds crazy, but I have seen that resolve a similar issue in the past.

by computer geek

Actually, the issue was with the senders DNS. Nothing we could have done on our side. But thank you for the tips.

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