Anti-spam

IMSVA

Company: Trend Micro.

Pricing: $16.86 per 1,000 users

http://www.trendmicro.com

Supports anti-spam, anti-virus, gateway encryption and content filtering

Triumfant

First Look

Company: Triumfant

Pricing: $30

http://www.triumfant.com/

Controls malware at the endpoints

MailGate

Company: Tumbleweed Communications

Pricing: $8,000

http://www.tumbleweed.com

The Tumbleweed MailGate appliance offers solid email protection and management in one device.

Mail Security 8300 Series

Company: Symantec

Pricing: $995 for hardware

http://www.symantec.com

The Symantec Mail Security appliance houses several email content management features in one well-integrated device.

Ninja Email Security

Company: Sunbelt Software

Pricing: starts at $627 for 25 mailboxes

http://www.sunbelt-software.com

This product takes an all-in-one security approach with features such as anti-spam, anti-phishing, anti-virus, attachment filtering, disclaimers and content filtering.

SpamTitan for VMware

Company: SpamTitan

Pricing: $550 for up to 100 users

http://www.spamtitan.com

This product is a VMware image that can be loaded onto any available server on the network, thereby not needing any real dedicated appliance or server.

ES1000

Company: Sophos

Pricing: $3,295

http://www.sophos.com

The Sophos ES1000 is an appliance-based solution that secures inbound and outbound messages through content filtering, sender validation/reputation checking, anti-malware scanning, encryption and other features.