From: m (mtelerama.com)
Date: Sat Oct 02 2004 - 17:52:47 CDT

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avantgrp.avant-international.se (unknown [213.136.59.65])

There is not reverse DNS record for IP 213.136.59.65.

According to WHOIS, the IP is in RIPE, and is allocated to Bahnhof Internet
AB. Since Banhof has the delegation for the IP addresses, either they must
enter a PTR record for your IP, or delegate it to you.

M

> From: Petri Kinnunen <petritillit.net>
> Date: Sun, 3 Oct 2004 00:51:05 +0200
> To: <postfix-userspostfix.org>
> Subject: Domain does not resolve
>
> Hi.
>
> Im pretty new to Postfix. I have an Apple Xserve with MacOSX 10.3.5 and using
> postfix as smtp and cyrus as pop/imap. I have one domain where I could not
> send mail to. Their server (Sendmail) responds with "Domain does not resolve"
> when sending mail to them. They can send mail to us without problems, but we
> cant reply. The hostname on our mailserver is set to mail.xxx.xxx in the
> main.cf. The IP adress has an reverse entry, A record (mail.xxx.xxx) and a MX
> pointer pointing to mail.xxx.xxx. I just tried sending to an externam adress
> and the header looks OK. It says received from: mail.xxx.xxx
>
> I believe the problem is on the Sendmail and not on our Postfix. Is there
> anything I could have missed on our side or anything more I could test to
> prove that the fault is not on our side?
>
> Best regards,
>
> Petri Kinnunen
>
>
>

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