Precedence: bulk
All mass mailings, such as mailing-list mailings,
should have a header Precedence: line that gives a priority
of bulk, junk, or list. On the local
machine, these priorities cause the message to be
processed from the queue after higher-priority mail.
At other sites, these priorities will cause
well-designed programs (such as the newer
vacation(1)[213] program) to skip automatically replying
to such messages.
[213] * The
vacation(1) program is a
wonderful tool for advising others that mail will
not be attended to for a while. Unfortunately,
some older versions of that program still exist
that reply to bulk mail, thereby causing problems for
the mailing-list maintainer.
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