Features Admin Features Easy to install (only requires default build of PHP5 and Mysql) Light weight and fast Extensive multilingual capabilities Modular - Easily modifiable to accomodate different backends Multiple host/domain support Auto-appended Tag-Lines Optional SQL Server, Oracle backend for improved scalability and performance External SMTP server support Theme support Client Features POP3 & IMAP Support Richtext/HTML composing Compose messages with attachments Forwarding messages with attachments Send, receive, file, delete messages Drag and drop fonction Create, rename, delete folders Create or remove custom message folders Send/receive attachments Full support for MIME and HTML messages Bookmarks manager Find-as-you-type address book integration Full featured Contacts list Multiple sender identities Spell checker (requires aspell) Multiple message view Integrated RSS aggregator Multilingual capabilities Support for external SMTP server Searching messages and contacts Advanced user interface Unlimited users and messages Complete customization with skins