Best spam filter rule yet: ditch anything with a vertical bar anywhere in the subject!
I am also thinking of ditching anything with a zero in the subject. Maybe I'll narrow it down so that it only drops the message if the zero is surrounded by letters, that is, zero masquerading as 'o' so as to get the message past other spam filters. If I never see the word hydr0c0d0ne again it'll be fine with me. Same for the number 1 masquerading as 'l'.
(After some very aggressive spam filtering, I still receive a couple hundred spam a day. Until I can get rid of the problematic address entirely, tricks like this matter to me.)
I am also thinking of ditching anything with a zero in the subject. Maybe I'll narrow it down so that it only drops the message if the zero is surrounded by letters, that is, zero masquerading as 'o' so as to get the message past other spam filters. If I never see the word hydr0c0d0ne again it'll be fine with me. Same for the number 1 masquerading as 'l'.
(After some very aggressive spam filtering, I still receive a couple hundred spam a day. Until I can get rid of the problematic address entirely, tricks like this matter to me.)