Introduction - If you have any usage issues, please Google them yourself
SquirrelMail is a PHP development with the Web mail system. It contains pure PHP support IMAP and SMTP protocol, all pages are followed by HTML 4 standard (without using any JavaScript code), in order to maximize compatibility with a variety of multi browser. SquirrelMail on the system requirements are very low, installation and configuration are very easy. SquirrelMail has a client mail program should have all the features, including support for enhanced MIME, address book, folder operations, and so on.