Thanks for the prompt reply.
> What makes you believe that SA has hung and isn't actually doing
> something? Without any indication that SA has actually hung I would
> suspect that a bayes auto expiry is taking place. If you prefer, you
> could disable bayes_auto_expire and run expiries via
I'm having trouble with spamd hanging; it seems related to bayes
processing. When this occurs, mail delivery stops until one clears
the bayes data (sa-learn --clear) and restarts exim, which restarts
spamd. All is then well until the system is trained on enough ham and
spam to do bayes evaluatio
