Best antispam protection for mail servers: Golden SPAM + award winner for two years in a row from Virus Bulletin.
Real time antimalware, antivirus, anti-phishing and antispam based on Bitdefender Global Protective Network.
Covers any email transfer protocol used in Exchange.
Multiple layers of security for messaging: antispam, anti-phishing, antivirus and antimalware with behavioral analysis and zero-day threat protection.
On-demand antimalware scanning of Exchange Information Store.
Email traffic filtering including attachment and content filtering.
Support for Database Availability Groups.
Antimalware scanning can be offloaded to centralized security servers from the protected mail servers.
Integration with Active Directory, VMware vCenter, and Citrix XenServer for remote deployment.
Email transfer protocols covered: SMTP, Microsoft Exchange (MAPI), and Exchange ActiveSync.
Antimalware protection includes the file system of the servers hosting the Exchange.