Re: Match sending IP rdns name?

On 2025-06-24 at 08:00:04 UTC-0400 (Tue, 24 Jun 2025 14:00:04 +0200)
Benoit Panizzon <[email protected]>
is rumored to have said:

> Hi Mark
>
> Thank you, but my question was, how to match the rdns name of the
> source IP.
>
> Well i found out the header matcher can also match Received: header
> lines.
>
> header          IMP_RECV_SHOP          Received =~ /\.shop\ /
> score           IMP_RECV_SHOP          10
> describe        IMP_RECV_SHOP          Received: from shop TLD
>
> This works for me.

Note that there are also subsets of Received headers with fields parsed 
out that you can use, see `perldoc Mail::SpamAssassin::PerMsgStatus` for 
a discussion of all of the available "pseudo-headers." There are 
examples in existing rules.


-- 
  Bill Cole
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  (AKA @[email protected] and many *@billmail.scconsult.com 
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