Services to stop spam, viruses and control web access. Firewall installation and setup to prevent server/network security breaches.

Automates filter, mailbox, and nickname creation for Eudora Macintosh. Filters on more than 1, 000 spam characteristics.

UK firm specializing in hosted spam and virus protection through MX redirection. Subscription based. A 30 day free trial is offered.

Fully managed service which filters viruses, worms and malicious macros and spam. Firm with offices in UK, France and Sweden.

Spam filter service designed to protect children from junk emails.

Anti-Spam SMTP Proxy implementing platform independent email filtering services.

An open source email content filter application. Clapf is a modular statistical antispam application with an interface to popular antivirus programs.

Open source collaborative spam filtering system using digests of messages to identify spams.

Online POP3 bayesian filtering service.

Providing a service to temporarily reject mail directed at low priority servers.