License limited to 250 domains 1000 users. Smartermail Professional comes with by default the following features:
- 99% Spam Blocking with the built in Greylisting, SpamAssassin, Custom Spam Weights, Outbound & Inbound Spam checks and blocking, Reverse DNS checking, SPF checks, Bayesian Filtering, RBL filtering
- AJAX Spell checking
- Auto complete of address field
- Inbox message preview Windows
- Real time performance dashboard
- Historical reporting
- Out of the box Antivirus - ClamAV
