Tmail is the latest mail server software package of the open source mail technology community. The software is based on the GPL protocol, and integrates the simple installation package of postfix, spamassasin, clamav, courier-imap, and courier-authlib. Among them, the original Web interface management postfix option, Web setting spamassassin, Web setting Chinese return letter template, etc., based on the Web management system configuration is the first in the open source mail system.