First I'd heard about SPF. Sounds like a way forward!
On the SPF site is says SPF is supported by Declude, how can I begin to check inbound emails for SPF?
Here's a copy of my original post. The latest beta version (1.78) and recent interims have the SPF support.
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For those that are interested, we now have an interim release with SPF support in it. [interim information removed] 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).
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-Scott
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