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David Williams

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Nov 10, 2009, 8:33:36 AM11/10/09
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Hello,
I've got a weird problem and was hoping someone could point me in the
right direction. I have a postfix server receiving mail for several
domains (I have them set up as relay_domains and listed in
relay_recipients). I want the server to send each message to a
content filter on port 10024, then the content filter sends it back on
port 10025. Then postfix should send all mail to a relayhost
(configured as an IP address).

Everything works great except one thing: When the message comes back
to postfix on port 10025, it is stuck in queue for 1-5 minutes. Am I
using relay_domains incorrectly, or is postfix having trouble looking
up the relayhost (though it is an IP address), or is it some
address_verification?

Any suggestions would be very much appreciated.

David

David Williams

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Nov 11, 2009, 4:59:03 PM11/11/09
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Just an update: I've disabled the content filter, and it still is
slow in sending to the relayhost. I can telnet (on port 25) into the
relayhost from this Postfix box, and it responds very quickly, so I
don't think it is a network problem.

Additionally, if mail gets delivered locally (such as to root), it is
very quick. The problem is definitely with mail going to the
relayhost

And, I was running the rpm package version, so I ripped that out and
installed from source, and I still have the problem. I've set
disable_dns_lookups, and that doesn't help.

If anybody has seen anything like this, it I would appreciate any
nudge in the right direction.

David

David Williams

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Nov 11, 2009, 5:14:27 PM11/11/09
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I think I got it. I changed the relayhost to another server, and it
started working correctly. whew

David

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