The Anti-Spam Technical Alliance (ASTA) has issued suggestions for Internet service providers, e-mail service providers, and bulk e-mailers regarding combating spam.
According to the ASTA, there are two promising methods of message authentication. The organization believes that systems that allow recipients to determine whether a message is legitimate, and to identify the sender, are at the crux of the anti-spam battle.
The first method involves authenticating senders based on their Internet protocol (IP) address. The ASTA calls the IP address
Network
