michael hutchinson ylwyrpjpsfrmanuxconz original message karsten bräckelmann mailtoqmitxmehrudersportde sent wednesday 20 february 2008 333 pm zqoqispamassassinapacheorg subject suggestions block spam wed 20080220 1426 1300 michael hutchinson wrote youll lucky catch anything phrase matching theyre simple design spam messages much like downlooadable sooftware ones used get program theres much looks like spam messages true posted meta rule doesnt even look body earlier also uris arguably could considered phrase matching personally dont cause dont even care content advertising phrases sniper annoying abused domains quite characteristic html markup fact stupid spammer uses lowercase single word subjects exclusively makes identifiable without matching phrases almost constant length multipartrelated mime parts overall structure 2 blobs gives another hint score true plus various blacklists identifying sending machines zombies mx handing ip enduser intended ah yes saw one earlier hadnt employed phrases working well intend tweak meta based one posted ive time fully test client_to_mx part cheers michael hutchinson thu 07 aug 2008 222942 1300 fw suggestions block spam