This is our most powerful edition, providing email via SMTP, POP3, IMAP and webmail, together with powerful FREE fully configurable Anti-Spam system, Anti-Virus integration, MS Outlook Synchronization and Instant Messaging, and LDAP-server. 

These prices also INCLUDE Groupware & Corporate features:

• Includes Webmail, IMAP, Calendars
• Outlook™ synch for Calendars & Contacts
• SyncML support for BlackBerry and SmartPhones
• Bayesian and SpamAssassin Anti-Spam 
• Active Directory authentication 
• Autoresponder system
• Disclaimer system
• 12 months Upgrade Protection & Support.

Our entry-level edition, for organizations who only need the essentials - SMTP and simple POP3 mailboxes for their Users.

This bare-bones edition provides basic email via SMTP, POP3 mailboxes, together with Anti-virus integration, Mailing List Management, and Dial-Up controls. 

Note:
It does not include IMAP, WebMail, Anti-Spam or Groupware services.