[Mailman-Users] slightly OT: on not becoming a spam source

Brad Knowles brad at python.org
Sat May 31 00:28:27 CEST 2008

Stephen J. Turnbull wrote:

> Yeah, somebody actually said that, but they really meant the
> Return-Path.  Changing Message-ID on regular posts would violate RFC
> 2822.  Message-ID ids the content, not the medium, and is an author
> header: intermediate senders like Mailman must not touch it.

IIRC, when you enable Full Personalization, enough changes are made to the 
message that it ends up being considered a completely new message, and 
therefore a new message-id is created.  Same for list anonymization.

Certainly, when you turn on personalization, you can enable certain values 
to be used in the footer of each message being sent out that will tell you 
the original e-mail address that it was addressed to, and if the redacting 
covers only the headers and not the footer, then you might see that.

But either way, even you turn on just regular personalization and don't make 
any modifications to the message, you will get unique queue-ids that you can 
work with and compare against data in your logs.

Brad Knowles <brad at python.org>
Member of the Python.org Postmaster Team & Co-Moderator of the
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