On Tue, 11 Apr 2006, Philip Hazel wrote:
> I have been asked for evidence of when local part suffixes were first
> used for sorting messages into different folders (for a patent issue).
Here's an example from the Andrew Messaging System in 1992. The Cyrus
+suffix addressing was inherited directly from AMS.
http://asg.web.cmu.edu/cyrus/sieve/flames.html
Here's someone asking how to do it with Procmail in 1995, which indicates
it was a well-known feature by then - plus a follow-up thread which
indicates support in Sendmail.
http://www.xray.mpe.mpg.de/mailing-lists/procmail/1995-12/msg00078.html
http://www.xray.mpe.mpg.de/mailing-lists/procmail/1995-12/msg00093.html
And there's the .qmail stuff which seems to have been there right from the
start, in early 1996. Ian's message implies that this predated and
possibly inspired Exim's support for filtering on local_part_prefix/suffix.
http://www.exim.org/pipermail/exim-users/Week-of-Mon-19960415/000075.html
I don't think I got stuck in to Exim until 1997...
Tony.
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