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Re: Receiving "Relay access denied" error

From: /dev/rob0 (rob0gmx.co.uk)
Date: Mon Aug 28 2006 - 12:46:11 CDT


On Monday 28 August 2006 12:28, Tomas Tudja wrote:
> PERM_FAILURE: SMTP Error (state 9): 554 <catchercatcher.no-ip.org>:
> Relay access denied

MUA error messages are useless. Read Your Logs!!

> error while trying to send mail to server with postfix from a remote
> machine.

The client either failed to authenticate, or authentication failed.
Logs of this transaction would have given us a definitive answer.

> I was trying to find the solutions in documentation, but no result.
> I started to have this problem when I installed smtpd authentication.

This comes up regularly here on the list. Saslfinger is your friend.
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