[Dshield] SPF

mokum dshield at meij.net
Tue Jan 27 14:05:45 GMT 2004


Johannes B. Ullrich wrote:

>>I'm interesting in using it. Anyone any experience with SPF?
>>
>
>Well, I just set it up yesterday for some of my domains (including
>dshield.org). Seeing that AOL may be using it gives this system
>a lot of weight. 
>
>AFAIKT, there are two part to SPF:
>
>You have to add appropriate TXT records to your domain.
>spf.pobox.com has some tools to help with that. This will
>allow others to check which mail servers should send mail
>for your domain. I can see situations where this will not 
>work well (e.g. "road warriors" sending mail using a random
>mail server they can get access to while traveling)
>
>The other part is the receiving side. I don't think it makes
>sense to absolutely filter based on SPF info. However, in a 
>system like spam assassin, you should be able to add a couple
>spam points to all email that fails the test.
>
>Now I just need to figure out how to implement SPF in spamassassin
>
"SpamAssassin will use SPF in version 2.70"

http://article.gmane.org/gmane.mail.exim.exiscan.user/1385
"SpamAssassin now has support for SPF" although only in there


      "Latest bleeding-edge code, 2.70-cvs"

Cheers,
mokum




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