Most spam boils down to a) porno spam, or b) scam spam.
1) no misleading subject lines. As a matter of fact, it should have to begin the subject line with "Ad: etc.." or something similar.
The spammers won't go for that as it's too easy to filter. And if you have a filter like procmail, you could return it to them.
2) no misleading return addresses.
So the spammers SMTP box can be blasted off the face of the earth? yeah, they and their ISP would just love that, wouldn't they?
3) no relaying.
They won't go for that, either, since that means they'd have to tell their ISP before hand what business they'll be doing. Spamford Wallace tried that once with AGIS, it was to be called the "SpamBone". AGIS no longer exists, and Spamford has quit.
4) an opt-out that works?
Oh, yeah, right. I didn't sign up for the sewage, why the fsck should I be subject to it?
Spammers won't like points 1-3, I don't like point 4.
I am BOFH. Resistance is futile. Your network will be assimilated.
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