[Mailman-Users] non-subscriber managed to post to a subscriber only list

[Brad Knowles]

on 1/26/09 6:09 PM, Grant Taylor said:

> I meant the Return-Path with is the SMTP envelope sender.

In theory, your MTA should be putting the envelope sender address into 
the "Return-Path:" header, so these two should always match.

If not, then you should talk to the vendor of your MTA software.

-- 
Brad Knowles
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