iRedMail is a full-featured and full-fledged mail server solution for Linux and BSD. Using this iRedMail Image, anyone, even a novice Linux user, can easily deploy a mail server in less than five minutes.

iRedMail Features:

• Calendar service (CalDAV) and Contact service (CardDAV);
• Fast Deployment, Low Maintenance, and Unlimited Accounts;
• Service Restrictions;
• Sender and Recipient Throttling;
• Anti-Spam and Anti-Virus;
• WebMail: AJAX, Global LDAP Address Book, Vacation, Filter;
• Your mail server setup is reproducible;
• Stores Mail Accounts in one of supported 4 backends: OpenLDAP, MySQL, MariaDB, and PostgreSQL;
• Control over your own data. You have all personal data on your hard disk, it is not on somebody else's storage medium;
• Works on both non-virtualized and virtualized boxes, e.g. VMware, Xen, KVM, OpenVZ, VirtualBox, with i386 and x86_64/amd64 support.