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Can not recieve Email through Firewall

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9 replies

by mprzytarski

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We are setting up a BSD Firewall for our NT 4.0 SP6 Exchange 5.5 server. We can send email through the firewall, but cannot recieve EMAIL. When email is sent to test, we get:

Action: failed
Status: 5.0.0
Remote-MTA: dns;mail.amerivoice.com (64.109.120.121)
Diagnostic-Code: smtp;550 Relaying is prohibited

Any idea? I checked the setup twice but must be missing something.

9 replies

by les

Your firewall may need to be setup as an email proxy or at least needs to know where your mail server is. It sounds like the firewall does not quite know about your mail server.

by mprzytarski

We already thought of this. We have traced the route with no help. Our guess is with the relay, but nothing seems to work.

by mprzytarski

We already thought of this. The microsoft site was the second place we went, but we still cannot get the relay to work correctly.

by georgevijay

Does your firewall has 2 NIC's. Please let me know whether you had configured your external adapter port 25 is configured to pass on the packets to the mail server's port 25.

by brasslet

If you're mail is supposed to be going to the address above (mail.amerivoice.com), your problem (or at least, part of it) is port 25 is NOT open. That address doesn't answer on port 25.

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