Simply authenticating based on IP has already proven an obsolete method.
How and to whom?
To anyone who has received spam sent through an open proxy to a trusted SMTP server, for one. That's probably all of us here.
-- Dave Warren, Email Address: [EMAIL PROTECTED] Cell: (403) 371-3470 Fax: (403) 371-3471 Toll free: (888) 371-3470 Vonage: (817) 886-0860 ICQ: 17848192 AIM: devilspgd Yahoo!: devilspgd MSN/PASSPORT: [EMAIL PROTECTED]