[Mailman-Developers] [Mailman-Users] Sender field

[Barry Warsaw]

On Mon, 2006-05-01 at 18:16 -0700, Mark Sapiro wrote:
> Neal Groothuis wrote:
> >
> >Mailman is not the originator of the message, so it should 
> >not be tampering with the From: or Sender: fields at all.
> 
> 
> This is arguably not true. Mailman may add a list header and/or list
> footer to the body of the message as well as potentially filtering or
> scrubbing various MIME parts. The message sent by Mailman can be
> significantly different from the one originally received.

The copy that Mailman sends is almost always modified in some way, and
given the ambiguities in the standards, I think it's defensible to say
that Mailman is the originator of the messages received by list members.

-Barry

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