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June 2008

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Subject:
Re: SPF checking
From:
Samuel Halicke <[log in to unmask]>
Reply To:
Samuel Halicke <[log in to unmask]>
Date:
Fri, 6 Jun 2008 10:12:35 -0500
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On Jun 6, 2008, at 9:59 AM, Miguel A. Lerma wrote:

> I have a mail server with sendmail running on Scientific Linux 5.1.
> I would like to check SPF (Sender Policy Framework) on incoming
> mail. Does anybody have experience with this?
>

Yes, and thankfully these days it's fairly easy. If performance is an  
issue you might want to lean towards libspf2 rather than Mail::SPF  
(the reference implementation).  A full list of milters and other  
resources for setting up SPF (howtos etc) is here:

http://www.openspf.org/Implementations
http://www.libspf2.org
http://search.cpan.org/dist/Mail-SPF/

I'd recommend the combination of smf-spf and libspf2 personally.

--
Samuel Halicke		[log in to unmask]
FNAL/CD/SF/FEF		FCC/252/U
(T): 630.840.4308	(P): 630.266.0042

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