[Dovecot] VERY cool add-on request.

[Johannes Berg]

On Sat, 2006-03-18 at 09:25 -0500, David A. Lee wrote:
> You refered to a specific one for dspam.
> Would it be easy to generalize ?

Yes, shouldn't be too hard.
But the plugin also looks at headers etc. which would be very hard to
capture in a config file. Well, not impossible, but cumbersome.

I'm not sure what you're after but say you want to be able to define
folder actions in a config file. Let me draw up a hypothetical config
file example with the logic of the dspam plugin. The syntax is sort of
borrowed from Exim :)

----begin folder action config----
copy into "SPAM"
	fail condition !${defined:header:X-DSpam-Signature}
	fail message "Message doesn't have dspam signature!"
	run "dspam --signature ${header:X-DSpam-Signature} --is-spam"

copy outof "SPAM"
	ignore to "Trash"
	fail condition !${defined:header:X-DSpam-Signature}
	fail message "Message doesn't have dspam signature!"
	run "dspam --signature ${header:X-DSpam-Signature} --not-spam"
----end folder action config----

I'm sure others can come up with examples where the config file has to
be even more elaborate... I can imagine having a 'pipe' action instead
of 'run' that would give the command the message on stdin for example.

johannes
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