Thought someone might benefit from this, so I figured I'd toss it out to the list(s).

I'm a big fan of maildir, but I just found a little shortcut that makes me even happier to be using it. I have a server running Courier IMAP and I use Thunderbird as my mailreader. I have a folder set up on the server called Spam. Anything spamassasin tags as spam goes into that directory, rather than being deleted (I've had a false positive or two). I also use Thunderbird's junk mail detection. When something is tagged as spam, either by myself or tbird, it gets moved to the Spam folder. The key to all this is all these spam messages are unread.

So, when I'm ready for spamassassin to learn from tbird, I mark a message as read in tbird. Simple, right? That's all there is to it from the client perspective. Behind the scenes, I have a cronjob that executes this: pushd $HOME/Maildir/.Spam > /dev/null && nice sa-learn --no-sync --spam cur && nice sa-learn --sync && find cur -type f -exec mv {} cur.old \;

For those who haven't used Maildir before, when a message is unread it's in the 'new' folder. When it's read, it gets moved to the 'cur' directory.

The movement of the messages from the 'cur' directory to the 'cur.old' directory is a preference. You could just delete the files. You could leave them there. I move them in case I later find a false or I want some spam laying around for future training.

Add /dev/null redirects as desired and have fun with easy Bayesian training. Oh, and if this eats your email or your firstborn, it's not my fault.

Mike
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