[Mailman-Users] gmail not getting own posts
brad at stop.mail-abuse.org
Thu Feb 17 19:46:02 CET 2005
At 11:46 AM -0600 2005-02-17, Stephanie wrote:
> Maybe that third list where you do get copies back does something like
> Topica, something that keeps GMail from seeing it as a duplicate.
I wonder if maybe Topica changes the content of the Message-ID:
header. Most mailing list software goes to great lengths to try to
avoid changing this header, because this is supposed to be the
globally unique id by which this particular message is known.
According to the way the standards are written, if the message id
changes, then it's a different message, even if everything else about
the message is identical.
Mailman only changes the contents of the Message-ID: header on
posts that are coming across the news-to-mail gateway, and then only
because it is necessary in order to avoid various problems that have
been encountered in the past.
Brad Knowles, <brad at stop.mail-abuse.org>
"Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety."
-- Benjamin Franklin (1706-1790), reply of the Pennsylvania
Assembly to the Governor, November 11, 1755
SAGE member since 1995. See <http://www.sage.org/> for more info.
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