Quoting Bob McCloud (mccloud at wiredhot.net):
> I think that script is hanging on long enough to harvest address's. I 
> got an email this evening addressed to a non-existant user 
> advertising, of all things, linux help. May or may not be related, but 
> if anyone else got the same email we'll know for sure.

They can harvest your username from the archives, usenet, etc.

I am looking at spambot poisoning tonight and see if that helps.
-- 
Bob Tanner <tanner at real-time.com>       | Phone : (952)943-8700
http://www.mn-linux.org                 | Fax   : (952)943-8500
Key fingerprint =  6C E9 51 4F D5 3E 4C 66 62 A9 10 E5 35 85 39 D9