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Old 10-14-2011, 03:26 PM   #1
Registered: Sep 2009
Posts: 119

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Postfix - allow non-auth connections from local network, relay mail via SASL AUTH

I have a situation where I have a server as the mail relay for firewalled servers, where previously I was just sending mail out unauthenticated, but now I would like to receive the mail from the servers unauthenticated and relay them to another server that requires SASL AUTH.

If I enable SASL on the gateway mail server, it then requires all connections to it to be authenticated.

Can anyone offer some postfix knowledge on how I might set this up?
Old 10-14-2011, 04:45 PM   #2
Registered: Mar 2010
Posts: 202

Rep: Reputation: 84
I'd advise you not to accept unathenticated connections from your LAN unless you are sure the clients won't ever have trojans or otherwise any software deciding to send mails without user control. You'll get a more blacklist-free mailserver that way ;-)


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