We do not talk very frequently about this feature, don’t we? 
Anyway, it would be good to sync its settings with Avast account (sorry the cross post but I think they are different development teams: https://forum.avast.com/index.php?topic=187468).
By the way, any improvements in this tool?
It’s noticeable that Gmail antispam works very good. Can’t we learn anything from their techniques to identify spam?