KooMail is a full-featured e-mail client software, powerfull and easy to use,has many particular functions. KooMail supports IMAP, POP3, APOP, SMTP, MSN/Hotmail, SSL, RSS, etc. Spam filter assists regulating messages; Manage your multiple accounts. Besides these, koomail's size is very small and it's speed is very fast. Compared with others email client software,KooMail has many virtues: Support virtual folder,it's very useful to manipulate and classify your messages. The best remote function to manipulate messages on server direct. Copy to USB-Disk or any other disk to use without installation. Small size,funny and powerful function. The powerful mail template support. Every account can take its own settings such as network settings. Support RSS and calendar. To write html message,embed image,etc. More html message read options,"forbid script","use text vier to show content",etc. Timing to send message. More skin to choose and customize your own. Classified folder makes messages classify an query easily.