[Mailman-Users] Block spam from "-owner"?

[Stephen J. Turnbull]

Jon Slater writes:

 > members-owner at server.org
 > volunteers-owner at server.org
 > board-owner at server.org
 > 
 > I'm using SpamAssassin but these are coming in with spam score like "-0.6"

In your SA local rules file add some rules that bump messages that are
To: .*-owner at server.org +10 points.  Then figure out what the content
of desired messages looks like and bump that -10 points.