How to reject/detect emails claiming to be from my own domain?
mark at msapiro.net
Thu Dec 29 19:28:14 UTC 2016
On 12/29/2016 10:12 AM, Philip Parsons wrote:
> Any chance you have an example ?
>> The rule set from
>> Thom van der Boon works great on the From header.
By that I assume you meant (from
> header __DSR_DOMAINCOM_VALID000 From =~ /\@domain.com/i
> header __DSR_DOMAINCOM_VALID001 To =~ /\@domain.com/i
> ifplugin Mail::SpamAssassin::Plugin::DKIM
> meta DSR_DOMAINCOM_VALID __DSR_DOMAINCOM_VALID000 && __DSR_DOMAINCOM_VALID001 && !DKIM_VALID
> meta DSR_DOMAINCOM_VALID __DSR_DOMAINCOM_VALID000 && __DSR_DOMAINCOM_VALID001
> describe DSR_DOMAINCOM_VALID No valid domain.com mail
> score DSR_DOMAINCOM_VALID 20.O
All you need to do to make that work with the envelope sender instead of
From: is change the first line to
header __DSR_DOMAINCOM_VALID000 Return-Path =~ /\@domain.com/i
Mark Sapiro <mark at msapiro.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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