The Secure messaging and collaboration - A single place to manage email, calendar, contacts, notes and tasks. In the office. On the road. At home.

For small to medium businesses, schools, government and non-profits that need email and collaboration, Kerio MailServer is an award-winning Microsoft Exchange alternative that has stronger cross-platform support, easier administration, and up to 80% lower licensing costs than Exchange.

Secure mail
Kerio MailServer is a super-fast secure multiple domain mail server working with all POP3 and IMAP desktop mail clients for Windows, Linux and Mac. Kerio MailServer meets HIPAA security requirements.

Anti-virus protection
Unique internal antivirus control is a part of both versions of the mail server: Kerio MailServer with integrated McAfee Antivirus and Kerio MailServer with support for external antiviruses (Avast, AVG, eTrust, NOD32, Sophos, Symantec).

Anti-spam protection
By standard, Kerio MailServer comes with built-in SpamEliminator providing comprehensive spam detection and blocking. A powerful set of innovative anti-spam tools such as Caller ID, directory harvest attack protection and bandwidth limitation help companies significantly reduce the legal and security risks associated with spam.

Kerio WebMail
With robust webmail that has the look and feel of a software client, Kerio MailServer provides users with the comfort of a full featured email application combined with the functionality required in corporate environments, all accessible from their web browser.

Groupware
As a replacement for Microsoft Exchange, Kerio MailServer provides the same access to shared calendars, shared contacts and tasks from Microsoft Outlook, Microsoft Entourage, and Kerio WebMail, while delivering lower TCO and better user experience for SMEs.

Easy administration
Administrators can download, install and configure the mail server in minutes. Simple wizards assist with most common administration tasks. Administration console allows for secure remote access and provides bookmarks for multiple servers.

Migration tool from Microsoft Exchange
To help companies migrate from Microsoft Exchange 5.5/2000/2003 to Kerio MailServer, Kerio offers Kerio Exchange Migration Tool. It migrates users, folder structure, messages, all attachments, calendars, contacts and tasks.

Directory services
Managing user accounts in Kerio MailServer is possible using either the internal database or external directory services. Kerio MailServer has seamless integration with Active Directory on Windows and Apple Open Directory on Mac OS X Server.

Scalability
Kerio MailServer is a scalable messaging server that can support anywhere from 20 users, in a small local area network, to several thousands of users running from just one server. One server easily supports 500 concurrent IMAP users with anti-virus and anti-spam filter running without a hit on performance.

Supported operating systems
Kerio MailServer runs on Windows 2000/XP/2003, server and desktop editions, Red Hat Linux, SUSE Linux and Mac OS X. Kerio Outlook Connector for Microsoft Outlook runs on Windows 2000/XP/2003.