Re: spam filtering using IMAP ?

[Mats Lidell <matsl@contactor.se>]

>>>>> Kai wrote:

Kai> What's going through my mind is a generalization of this: is it
Kai> possible to set up server-side splitting with an automatic
Kai> classifier, such as ifile?  I've got a Cyrus server and it would
Kai> be really cool if it was possible to invoke it.

It is very possible to do that. I use procmail with a statistical spam
filter (my own but it could very well be ifile or bogofilter or what
ever.) The spam splitter stores all spam in a spam folder. The rest is
filtered by normal procmail rules to other folders. It is very
convenient if you use different MUAs or access you mail from different
locations.

Kai> My special situation is that people have an account on the
Kai> server, so for the splitting part, procmail could be used to
Kai> invoke ifile.  But whenever I move a message to another group,
Kai> Cyrus also needs to invoke ifile.  That's the part that I'm
Kai> unsure about.

So am I. In my current setup there is no reclassification
dynamically. I just use imap to store in spam and ham folders. Then
once in a while I generate new statistics based on the spam and ham
folders.

I have been thinking of going dynamic with reclassification by using
temporary folders together with a cronjob. I have just now tried it
yet and thus haven't found out what problems there might be with such
an approach.

Yours
-- 
%% Mats