[Mailman-Developers] preventing double messages

[Barry A. Warsaw]

>>>>> "RS" == Ruud Steltenpool <r.g.steltenpool at student.utwente.nl> writes:

    RS> I'm on a few lists of 1 and the same mailman.  It occurs that
    RS> someone sends 1 e-mail to multiple of those lists.  Then i get
    RS> the same message more than once.

    RS> This could be prevented: For every incoming mail: Not start
    RS> sending to all members of all receiving lists right away, but
    RS> hold a temp-list in memory of all receiving members for this
    RS> particular message.  Then when all lists are processed, remove
    RS> doubles from the temp-list and THEN send.

It's a bit problematic to do this in Mailman 2.1, but it is a goal to
support this kind of cross-posting duplicate suppression for Mailman
3.

-Barry