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TwitterI'm curious if there are any changes that can be made to the SPF filter, or spam assassin, to have the "From" header of the message investigated for SPF pass/fail in addition to the Return-Path? We have customers with explicit (-all) spf records still seeing forged emails coming in claiming to be from their domain because the sender used their own return-path but forged the From header.
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Tweak to make SPF test look at "From" header?
- Thread starter HostaHost
- Start date
Actually SPF takes all parameters from SMTP session. SPF test works before the From or Reply-TO received. It takes MAIL FROM: from SMTP session, makes DNS query to the domain, and checks IP address came from mail.
Can you show some kind of samples?
Can you show some kind of samples?
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