ESET Mail Security - subscription license (2 years) - 1 user

ESET Mail Security for Microsoft Exchange Server gives you fast, light, and accurate proactive protection for email traffic and mail store. It protects against trojans, viruses, worms, spyware, adware, phishing, spam and other attacks on Microsoft Exchange Server 5.5 to 2010 and Microsoft Small Business Server 2003 to 2011. The antispam technology uses several complementary processes to ensure total email protection and is configurable using global or mailbox-specific rules. It supports 32- and 64-bit Windows and virtualized environments with quick installation and easy administration.