sendmail, deferred: host name lookup fail

Alexander Dalloz ad+lists at uni-x.org
Fri Nov 12 19:16:42 UTC 2004


Am Fr, den 12.11.2004 schrieb Eliot Stock um 19:54:

> I installed FC3 today and can receive mail just fine. Outgoing mail, 
> however, is being queued by sendmail due to host name lookup failures. I 
> send mail using my ISPs SMTP server as a smart host.
> 
> mailq shows every message in the queue with this error:
> 
> Deferred: Name server: relay.plus.net: host name lookup fail
> 
> I can dig relay.plus.net and it resolves just fine and I can ping it. I 
> can't get an MX record for it however.

Can you be a bit more verbose? relay.plus.net is your smarthost?

What does following tests result in?

echo '/mx relay.plus.net.' | sendmail -bt -d8.8
echo '/map host relay.plus.net.' | sendmail -bt -d8.8

> Eliot Stock.

Alexander


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Alexander Dalloz | Enger, Germany | new address - new key: 0xB366A773
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