Along with the flying development of network, Internet and Intranet goes deep into people¡¯s heart gradually. So more and more companies and enterprises make their services be based on the Internet and Intranet platform. Among all the services based on the Internet and Intranet, Email service is the most fundamental service.

Now there exist two kinds of email system provided by some web site, i.e. traditional email system and Web Mail system. The latter has the following two superiorities:

1. Easy to use for users: only needing users online and browser.
2. Easy to manage: The management mode is based on the browser.

To satisfy the users¡¯ requirement, we have designed an email software package, which is made to adapt to the middle and small companies and enterprises. The package has the following features:

• Easy extended system: Only needing to extend email storage space;
• Easy online management;
• Fast and multiple access mode which make many people visit the email server at the same time;
• The management of the email users is based on database;
• Due to the system environment of Linux, the email server has high security;
• Providing the email log files to make it convenient for the management of the system administrator;
• The Package has Chinese(GB) and English Versions Interfaces;
• The client¡¯s action is independent of the system platform;
• Filtering the email according to the keyword filtration rules;
• Filtering the email according to the extension of the attachment filtration rules;
• Providing the auto forward function;
• Providing the personal address book;
• Providing the auto reply email function