Just now I am seeing an "out of office" message bouncing between the
source and a mailing list server (and therefore all subscribers
including me). Last I looked there were strings of six or seven "Re:"s
in the subject line. So, two questions for procmail gurus, from the
points of view both of the private recipient and the mailing list
administrator (different list).
(1) What is a recipe that would detect these cases? I guess it is
easy to detect six "Re:"s, but is there a better way? Perhaps
this is not a job for procmail.
(2) Is there anything that can be done (by procmail or anything else
you know of) in the case of non-braindead list servers which
don't accumulate multiple "Re:"s in the subject line? In these
cases the message will come again and again with the same subject
line. The desirable objective, of course, is that the same
message will not be delivered twice.
Michael Talbot-Wilson
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