Open WebMail is a webmail system designed to manage very large mail folder files in a memory efficient way. It also provides a range of features to help users migrate smoothly from Microsoft Outlook to Open WebMail. Open WebMail has the following features: multiple languages, multiple iconsets/styles, strong MIME support, virtual host/login alias, PAM support, online password changing, convenient folder/message operations, draft folder, confirmed reading support, full content search, a spelling checker, auto reply, mail filtering, POP3 support, and message count previewing. WWW: http://turtle.ee.ncku.edu.tw/openwebmail/