You need to register to get your id number. Please make sure that your email address is correct, or you wont receive your number. Go HERE to register OR email firstname.lastname@example.org with your name, address, phone number and email address(s).
If you are getting an "I Don't Know You" message, it is because you are either using the wrong ID number or I dont have your email address on file the way that you use it. (I might have you down as @po1.math.umd.edu but you use @math.umd.edu) Email me with what you are putting in for your email address and ID number: email@example.com
It's a netscape bug. Upgrade your version of netscape (it's free). In the meantime you can bid by email. firstname.lastname@example.org
Email me at email@example.com for more details on why you were banned. (Not all banning is permanent! Most banning is temporary)
The most common reason for becomming banned is that you haven't paid for lots you won.