Open source mail server for Microsoft Windows Server, a great replacement for Microsoft Exchange Server. It supports the common email protocols (IMAP, SMTP and POP3) and can easily be used with many web mail systems.

It has flexible score-based spam protection and can attach to your virus scanner to scan all incoming and outgoing email..

Built-in Anti-Spam

• hMailServer comes with a set of built-in anti spam features such as SPF, SURBL. It can also be integrated with 3rd party anti spam systems such as SpamAssassin and ASSP

Webmail

• Any webmail system which supports IMAP and SMTP can be used with hMailServer. RoundCube and SquirrelMail are popular webmail systems which are often used with hMailServer.
• hMailServer provides all of the important functionality you need to run your own e-mail server. As a user of hMailServer, you get continuous updates and great support from other users and developers in the forum.
• hMailServer supports the open email standards POP3, SMTP and IMAP4. This makes the server compatible with most email clients available.

Security

• hMailServer is pre-configured to have high security when it comes to relaying and authentication so that no one can use your server to send spam messages. It also supports the very popular open source virus scanner ClamAV. Configuring hMailServer to use ClamAV only takes a single click! The server also supports black list servers and other spam-stopping mechanisms such as SPF and MX lookups.

Integrations

• hMailServer comes with a COM library that can be used for integration with other software. Using the COM library, it's possible to write scripts and full applications that utilize the features in hMailServer. For example, you can integrate hMailServer into your current IT-systems so that new employees automatically get email accounts. Both hMailServer Administrator and the PHP web-based frontend uses the COM API to manage the server.

hMail Server Features

• POP3, SMTP, IMAP
• Active Directory Integration
• Virtual domains
• Built-in backup
• SSL encryption
• Anti-spam
• Anti-virus
• Scripting
• Server-side rules
• Multilingual
• Routing
• MX backup
• Multihoming
• MySql backend or MS Sql backend
• Web administration
• DNS Blacklist
• Grey Listing
• Relay
• And many other settings and features

hMail Setup / Documentation / Support