Quoting Evaggelos Balaskas: > I use the same command ( via cron ) but my maildir folder with spam is > more than 50.000 emails !!! so ... Don't run sa-learn over the same messages again, it will give you nothing (sa-learn will ignore it), but it will take a lot of time anyways. Simply move the messages out of the way (e.g. $MAILDIR/.spam-old) after sa-learn ran over it.