1)   xTerminator 4.21
Block spam and most of worms before they even reach your mailbox. You'll be able to delete unwanted messages directly from the server thus saving valuable time and bandwidth.

 2)   PostGuard Spam Filter 3.5
Sentinare PostGuard - Secure encrypted spam and virus free email for your home or business. 99% accurate filtering solution includes 1GB of email storage that will never be subjected to email marketing or advertisements. Your privacy, our priority.