295508Re: Reverse DNS unknown
- Sep 16, 2013On 9/16/2013 5:41 PM, Dave Jones wrote:
>You need to do your tests as the postfix user, possibly also
> Received: from mail02.corp.ena.net (unknown [184.108.40.206])
> by mr11.mail.ena.net (Postfix) with ESMTP id 57C091480688
> for <redacted@...>; Mon, 16 Sep 2013 16:04:46 -0500 (CDT)
> My forward DNS lookup for this host is an internal IP address that
> doesn't not match the public but it has been this way for years.
chrooted. Turn off the chroot flag in master.cf for testing.
> Ibut it is. For the conditions postfix will label a host as unknown,
> didn't think the "unknown" above is dependent on FCRDNS.
In the Received: header, the first name is the HELO name given, the
second is either the FCRDNS or "unknown". Postfix will also log a
warning explaining why the host is unknown.
I don't know if the "unknown" by itself will trigger the
SpamAssassin RDNS_NONE rule, but that seems a little strict to me.
-- Noel Jones
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