[Mailman-Users] member_posting_only=yes problem

Barry A. Warsaw barry at wooz.org
Thu Nov 9 17:54:18 CET 2000

>>>>> "MN" == Mike Noyes <mhnoyes at users.sourceforge.net> writes:

    MN> You read my mind. I thought of one other way for mailman to
    MN> solve the problem. It could check the Reply-To header along
    MN> with From to verify list membership. This does open a
    MN> potential spam hole.

Yeah, but is it really any worse than the situation now?  For some
MUAs (certainly the one I use) and for any determined spammer, forging
From: is no harder than forging Reply-To:

That's why Mailman originally tried to use the envelope sender for the
membership test, but that was doomed to failure for a number of


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