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From: Michael Menge (no email)
Date: Mon Mar 26 2007 - 02:24:50 EDT
Hi,
as far as i know cyrus duplicate detection only checks if the messageid
has been delivered to a folder. As long as you don't change the messageid
you can change the message befor you deliver it to cyrus.
Quoting Benjamin Donnachie <>:
>
> I've offered to help write a patch for cyrus so that it adds
> personalised adverts to the top of incoming emails. Before I continue,
> I should point out that the organisation concerned donates the money
> raised to a number of charities.
>
> I prefer the solution of patching cyrus, rather than modifying the
> message before it is delivered, so that cyrus duplicate detection
> continues to work.
>
> I think that the deliver function in lmtpd.c needs modifying but it's
> taking me some time to get my head around the cyrus internals,
> particularly as I'm involved in several other projects at the moment.
>
> Ideally, what I would like to do is add a configuration file option to
> enable calling an external program, with configurable (or even set)
> command line options (eg user name), to modify the message in some way
> after duplicate detection but before any forwarding with sieve; probably
> using stdin and stdout.
>
> That way the extra functionality can be used for a whole host of
> different purposes. In this case, the advert will be added by using
> MIME to wrap the original message but that's irrelevant to this discussion.
>
> Consequently, I'd be very grateful if someone could point me to any
> documentation on the cyrus internals. Though, I'd be incredibly
> grateful if someone could confirm that I'm on the right track and,
> perhaps, the best place to insert this code and confirmation of the
> structures / variables that I need to play with.
>
> Many thanks,
>
> Ben
>
> ----
> Cyrus Home Page: http://cyrusimap.web.cmu.edu/
> Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki
> List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
>
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