fetching spam from users' junk folders

[Mikhail T.]

On 07.12.2016 12:00, info-cyrus-request at lists.andrew.cmu.edu wrote:
> I use this to feed spamassassin automatically:
> https://packages.debian.org/jessie/sa-learn-cyrus

Do you even need that? Each message can be found on the filesystem 
already in format directly understandable by sa-learn. I have the 
following cron-job running on my server as the cyrus-user:

    find /var/spool/imap/user/*/spam*/ -type f -name '[0-9]*.' | xargs
    sa-learn --quiet --spam

As you can see, it is not even IMAP-aware. You may need it to be, if it 
needs to run on a machine separate from Cyrus-server -- because that's 
where your incoming mail is being filtered.

But even in that case, it would be faster to run the learning on the 
Cyrus-system -- dealing with local files is always faster, than going 
for the same files via IMAP -- and then copy the updated database over 
to the incoming-mail server.

    -mi

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