Scott -
If you would a little help please w/my Bind to impliment SPF:
In a zone file I would add:
example.com. IN TXT "v=spf1 mx ptr ip4:63.170.56.4 -all"
mail.example.com. IN TXT "v=spf1 a -all"
mail2.example.com. IN TXT "v=spf1 a -all"
Is this correct - one line for the domain and one line for each
mailserver?
Thanks!
-Nick Hayer
Date sent: Thu, 18 Dec 2003 14:33:38 -0500
To: [EMAIL PROTECTED]
From: "R. Scott Perry" <[EMAIL PROTECTED]>
Subject: Re: [Declude.JunkMail] SPF support to be added to next beta
Send reply to: [EMAIL PROTECTED]
>
> >We will be adding support for SPF ("Sender Permitted From", at
> >http://spf.pobox.com ) to the next beta of Declude JunkMail. This is
> >a system that lets owners of domains publish information on what
> >mailservers people can use to send mail from the domain. We expect
> >that this can be very useful in blocking spam (similar to the
> >SPAMDOMAINS test), as well as helping ensure that legitimate mail
> >gets through.
>
> For those that are interested, we now have an interim release with SPF
> support in it. It can be downloaded from
> http://www.declude.com/interim (a new URL that we are going to be
> using for interim releases, that explains a bit more about them). To
> use the new SPF test, you can add lines such as:
>
> SPFPASS spf pass x -5 0
> SPFFAIL spf fail x 8 0
>
> to your global.cfg file. SPF returns "PASS" for E-mail that passes
> SPF (that comes from an IP that is acceptable to the owner of the
> domani that it claims to be coming from), "FAIL" for E-mail that fails
> SPF (that does not come from an acceptable IP for the domain), or
> "UNKNOWN" (for E-mail from domains that do not use SPF yet, or for
> some other reason should return UNKNOWN).
>
> This will help reduce false positives (for domains that have SPF
> support), and help capture more spam (as spam comes in from domains
> that have SPF support, but the spammer isn't using an acceptable IP).
>
> -Scott
> ---
> Declude JunkMail: The advanced anti-spam solution for IMail
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