Mailing List Archive: [Announce] qmail SPF patch (pre1)

Hello,

I now have fully function version of my SPF implementation for qmail.

Because I now have a small page for it I will just give you a link:

http://www.saout.de/misc/spf/

The configuration files now show up in qmail-showctl and the man pages.

If you installed it please give me some feedback.

PS: I know there has been a lot of criticism about SPF. If you are
unsure about SPF and just want to look what it does, you can install it
and set spfbehavior to 1 or 2. It then won't block any mails, just
report the results into a Received-SPF header line.

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Christophe Saout (christophe@saout.de) wrote:

> I now have fully function version of my SPF implementation for qmail.
>
> Because I now have a small page for it I will just give you a link:
>
> http://www.saout.de/misc/spf/
>
> The configuration files now show up in qmail-showctl and the man pages.
>
> If you installed it please give me some feedback.

I've been running this for about 3 days now. It seems to work fine,
but I've been using "behavior 1" (just add a header, don't block) on
general principle.

It *would* have caught this message, if the domain had used -all instead
of ?all in their SPF record:

From refugio_haydenxf@arcada.fi Tue Feb 3 22:40:28 2004
Return-Path: <refugio_haydenxf@arcada.fi>
Delivered-To: greg@wooledge.org
Received: (qmail 10311 invoked from network); 4 Feb 2004 03:40:28 -0000
Received: from c-67-170-23-250.client.comcast.net (HELO ccu.umanitoba.ca) (67.170.23.250)
by wooledge.org with SMTP; 4 Feb 2004 03:40:28 -0000
Received-SPF: neutral (wooledge.org: 67.170.23.250 is neither permitted nor denied by SPF record at arcada.fi)
From: "Refugio Hayden" <refugio_haydenxf@arcada.fi>
X-MimeOLE: Produced By Microsoft Exchange V6.0.6251.0
Date: Wed, 04 Feb 2004 03:39:11 +0000
Subject: =?ISO-8859-1?b?WW91ciBwcmVzY3JpcHQjaW9uIGRlbGl2ZXJlZCB0byB5b3VyIGhvdXNlIGJ5IHRvbW9ycm93IQ==?=
[[ snip ]]

griffon:~$ dig TXT arcada.fi
[[ snip ]]
arcada.fi. 43200 IN TXT "v=spf1 ip4:193.167.32.0/22 ?all"

--
Greg Wooledge | "Truth belongs to everybody."
greg@wooledge.org | - The Red Hot Chili Peppers
http://wooledge.org/~greg/ |

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