[MlMt] Blacklisting email addresses

[John Cooper]

Benny Kjær Nielsen wrote (at 9:08 on 24 Jul 2017):

> You can right-click (or ctrl-click) any name in the headers view to 
> open a menu. In this menu you'll see an “Add xxx to Blacklist” 
> menu item.

Got it. Thanks, Benny.