602LAN SUITE Groupware 5.0.08.0403
602LAN SUITE Groupware is a secure SMTP/IMAP/POP3/LDAP messaging solution with SQL based archive and web collaboration client along with integrated BitDefender anti-virus and advanced anti-spam protection. Native Outlook and Thunderbird support provides synchronization of mail, contacts, tasks, and calendar items. Create, share, and publish documents online. Access the document storage from a web browser, FTP/FTPS client, or WebDAV folder.

Protector Plus for Exchange 7.2.F02
Protector Plus for Exchange is an antivirus for Microsoft Exchange. Protector Plus scans and blocks all the emails received by the mail server. Protector Plus antivirus software can be remotely managed from anywhere in the network. The InstaUpdate feature of Protector Plus will automatically download the virus database updates from the developer's web site.Download Protector Plus trial copy for Exchange and try free of cost.

GFI MailSecurity for Exchange/SMTP 10
GFI MailSecurity for Exchange/SMTP is an email security, exploit detection, threats analysis and anti-virus solution that removes all types of email-borne threats before they can affect an organization’s email users. Using 5 virus scanners to scan inbound email, including McAfee, Kaspersky and BitDefender, GFI MailSecurity drastically reduces the average time to obtain virus signatures which combat the latest threats.

Merak Mail Server 9.2.1
Merak Mail Server provides unlimited accounts and domains for one price, which will save you costs as your needs grow. At anytime you can decide to add new modules and your data and settings will be preserved. Merak contains Integrated Antispam, Integrated Antivirus, Groupware Server & Calendaring for MS Outlook.