Last night, [EMAIL PROTECTED] reinjected thirty old messages from
various authors to [EMAIL PROTECTED]

This sort of idiocy happens much more often than most subscribers know,
thanks to a broken piece of software by Eric Raymond called fetchmail.
Fortunately, qmail and ezmlm have loop-prevention mechanisms that stop
these messages before they are distributed to subscribers. The messages
end up bouncing to the wrong place, thanks to another fetchmail bug, but
at least the mailing list is protected.

However, in this case, [EMAIL PROTECTED] eliminated all the fields
that could possibly stop a loop---Delivered-To, Mailing-List, Received,
Message-ID, even Date---before reinjecting the messages. Neither qmail
nor ezmlm realized that these weren't valid new messages.


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