Thanks.  That seems to be only possible with Linux, though. 


-----Original Message-----
From: abbot@monksofcool.net
Sent: Thu, 18 Apr 2019 15:26:52 +0200
To: tor-relays@lists.torproject.org
Subject: Re: [tor-relays] Quoting spam considered harmful

* I.:

> How do you block emails when they come from a list address?

By not relying on the envelope sender address alone. Milters can inspect
the complete message and signal the MTA to discard or reject it. For
mailing lists, I use the former, so as not to generate bounces.

-Ralph
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