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From: Michael Totschnig <totschnig.michael@courrier.uqam.ca>
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Subject: Re: Gcc/Newsgroups header depending on mail addresses?
Date: 26 Jul 2001 00:12:30 -0400
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Kai.Grossjohann@CS.Uni-Dortmund.DE (Kai Großjohann) wrote:

> I've got a group where I put mails that go to a specific mailing
> list.  But some mails that belong to the same subject are addressed to
> me personally and don't go to the mailing list.
> 
> So when composing a followup, I would like to omit the Gcc header if
> the mailing list address is in To or Cc, but include the Gcc header
> otherwise.

I have as part of gnus-message-archive-group the following form
(let 
    ((group (gnus-parameter-to-address gnus-newsgroup-name)) 
     (adress (message-fetch-field "To"))) 
  (and group adress (string-match group adress)))

It compares the value of the to-adress group parameter with the To of
the message. Am I mistaken to think that this could help you do what you want?

-- 
Michael Totschnig
PGP/GPG-Public-Key: http://www.er.uqam.ca/nobel/d364101/pgp.shtml