FreeBSD mail forwarder and SPF

Mark admin at
Mon Dec 10 16:42:20 PST 2007

-----Original Message-----
From: owner-freebsd-questions at
[mailto:owner-freebsd-questions at] On Behalf Of Mark D. Foster
Sent: dinsdag 11 december 2007 0:40
To: Dan Mahoney, System Admin
Cc: questions at
Subject: Re: FreeBSD mail forwarder and SPF

> The solution is @
> If garga@ isn't following the recommended practice of whitelisting
>'s MX servers then breakage results. That said,
> is NOT LISTED as an MX of, so maybe that
> is contributing to the problem.

Like you said, if he wants to send mail through the FreeBSD server, using
his domain, he should add "ip4:" to his SPF
records for that domain (or do some SRS forward rewriting).

But what's not being listed as an MX of got to
do with SPF?? There's no requirement, whatsoever, for to be
an official FreeBSD MX record. Who cares? FreeBSD includes
"ip4:" in its SPF records (which is That's all
SPF needs to know.

- Mark

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