> -----Original Message----- > From: Marc Perkel [mailto:[EMAIL PROTECTED] > Sent: Thursday, May 18, 2006 9:24 AM > To: SpamAssassin Users > Subject: Proposal: First URI black list, how about email > address black lists? > > URI based black lists have been extremely effected in > identifying spam. > I propose another kind of black list. A list of email > addresses embedded in the message body as replies to nigerian > type spam and other spam where you are instructed to reply to > the email address in the message body. > > One thing about all spam is that the spammer wants you to do > something. > And it's what the spammer wants you to do that is the key to > identifying spam. Most spam wants you to click on a link. So > the URI black lists work well because it catches the sites > that spammers link to. > > But - a lot of spam - like nigerian spam - wants you to reply > to an email address in the message body in order to do what > the spammer wants. > So if there were a blacklist of email addresses that spammers > use as the place to reply then that would cut into the > remaining spam significantly. If we can block email based on > a real time list of email addresses within the body a whole > new class of spam can be blocked with very high accuracy. > > Who likes this idea? >
This has been discussed many times, even on this list. I'd recommend searching the archives and reading the thread on it first. The only problem I have with it is that it would be very manual, and address rotation per msg would be very easy to defeat this. Dallas