1. An X Mail User Agent which handles MIME, PGP and Spelling. It is mainly written in C but the user interface is done in tcl/tk. The following is a non exhaustive list of the capabilities: * Multilingual Interface * MIME Support * Composing * Multiple Address Books * Message Database * Virtual Folders * Message Hold * Watcher * Spell Checking "As One Types" * POP3 and IMAP Folders * Supports Delivery Status Notifications * Supports PGP/MIME From Debian 3.0r0 APT