OT: Postfix rejects from Freebsd server

[Giorgos Keramidas]

On Sat, 11 Apr 2009 07:21:31 +0000, Da Rock <rock_on_the_web at hotmail.com> wrote:
>> Can you show us the *exact* deferral message?
>>
>> It may be greylisting from the FreeBSD.org mail servers.
>
> Ok. This is the exact message:
>
> Apr 11 16:26:40 <hostname (internal)> postfix/smtp[1325]:
>     488851744F: to=<freebsd-multimedia-request at freebsd.org>,
>     relay=mx1.freebsd.org[69.147.83.52]:25, delay=100211,
>     delays=100114/49/48/0.35, dsn=4.7.1, status=deferred (host
>     mx1.freebsd.org[69.147.83.52] said: 450 4.7.1 Client host
>     rejected: cannot find your hostname, [<my-IP>] (in reply to RCPT
>     TO command))
>
> This is not greylisting either; something should have gotten through
> by now. I've just checked the mx record for the domain in question
> too- all good.
>
> Server name in main.cf is set to the mx record of the domains served.

Unfortunately, this doesn't include the hostname and the IP address that
mx1.freebsd.org failed to resolve.  If you are worried about privacy
issues and you don't want the IP address to appear in the mailing list
archives, can you post it personally to me?  Then I can check from
*.freebsd.org machines to see if it resolves correctly both ways: from a
hostname -> address and backwards.

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