GFI MailEssentials™ is an anti-spam solution for MS Exchange Server and other email servers and provides administrators an ultra high spam capture rate out-of-the-box with minimal configuration. GFI MailEssentials is also the market leader for reducing false positives and is the most cost-effective anti-spam solution for SMBs.

Main Features:
- Bayesian filtering technology (Over 98% capture rate with Bayesian alone.)
- Downloads updates to spam profile database
- Mail header analysis & keyword checking
- 3rd party DNS blacklists (DNSBL) checking
- Foreign language spam blocking
- Automatic whitelist management
- Custom blacklists

GFI MailEssentials also protects users from phishing emails by detecting and blocking them before they reach the recipient’s mailbox.

Emails originating from, and terminating at the network are processed by advanced technologies built in GFI MailEssentials, maximizing spam capture rate whilst minimizing false positives.

Other features of GFI MailEssentials include: Disclaimers, mail, centralized mail, mail reporting (e.g., spam filtering reports etc...), POP3 downloading, auto, seamless integration with Exchange Server 2000/2003 & 5.5 and more.

This product is a 10-day trial, but if you sign up for a key you can get an additional 30-days. You can sign up for that key HERE