If the spam was directly to you and not through the list, then the reason is that the spammers search through webpages for email addresses, and since most mailing lists have a web-archive, you really cannot expect your email address to remain private after you post to a mailing list.
Stopping mail going indirectly through the mailing list should be easy thou, using tools like spamassassin. -Frank. > From: Seth, Wayne (Contractor) [mailto:[EMAIL PROTECTED] > Sent: Wednesday, March 19, 2003 6:09 PM > To: '[EMAIL PROTECTED]' > Subject: Pornography > > Since signing up on the Amanda list serve about 2 or 3 weeks > ago, my e-mail address seems to have distributed to several > pornographic spammers. Because of that, I cannot continue > with the list. Please unsubscribe me.
