[spambayes-dev] training from IMAP folder? (with patch)
jhs at oes.co.th
Sun Jan 18 03:05:38 EST 2004
Hello. I guess I'll explain in reverse chronological order, so you can stop
reading when you get bored.
This is a patch to allow sb_mboxtrain.py to train from an IMAP folder, similar
to its behavior when training from Maildir. I have tested it on Linux
against courier-imapd (Debian Woody) and cyrus-imapd-2.3.2 compiled from
source. Currently, it only supports plain-text login. It sould be
considered somewhat quick-and-dirty, as I read the RFC and implemented it
with imaplib in just one evening. Unfortunately, it is against the latest
release and not CVS because I cannot seem to access SF CVS at the moment.
The reason I need this feature (as opposed to the IMAP filter) is to implement
server-side spam filtering (using cyrus) and training which is intuitive for
lay mail users. For the record, cyrus is a mail server which isolates the
physical mail data from system users (i.e. the only access to mail is via
IMAP/POP, unlike courier/maildir). Many deployments do not even have Unix
user accounts on the machine.
I have successfully integrated spambayes as an incoming filter using procmail
much like the documentation. To train, users just need to drag missed spam
to INBOX.Spam, and drag good messages to e.g. INBOX.Read. I want to run a
cron job nightly to go through each user and train against their personal
database. However, Cyrus uses a custom organization system for speed, and
it's not decent to go mucking around /var/spool/cyrus by hand. Looks like
the most effective way to do this is to access the mail through localhost
If this looks okay (or if somebody can suggest a better method), I am
interested in making Debian packages as well as an implementation HOWTO as
part of the new UserLinux project, since I will be rolling out a fairly large
email site later this year.
Open Enterprise Systems
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