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From: "Edward J. Sabol" <sabol@alderaan.gsfc.nasa.gov>
Newsgroups: gmane.emacs.gnus.general
Subject: Re: losing mail
Date: Mon, 28 Jul 1997 11:08:45 -0400
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Excerpts from mail: (27-Jul-97) losing mail by Michael R Cook
> I just observed what I had always suspected: If gnus is fetching
> mail from my `nnmail-spool-file' while mailing is arriving, mail can
> be lost.
[...]
> Should there be some kind of locking going on between my procmail
> script and the gnus nnml backend?  Hmm...

You need to recompile your movemail binary to use procmail-compatible .lock
semaphore files. Read this article <http://www.rosat.mpe-garching.mpg.de/
mailing-lists/procmail/1997-03/msg00173.html> from the procmail mailing list
Web archive for details on how to do this.