KooMail 2.17 descriptions Full-featured email client support IMAP/POP/SMTP & Hotmail/MSN Remote control messages on server to read to fetch & delete etc not only the pop messages but also the hotmail' s messages Be cooperative with virus killer software You can set the time left to virus killer software to scan virus before saving it to mailbox file. The local smtp server can send mail to the destination direct & no delay with any smtp account. Edit any messages in your local mailbox to modify the content to delete attachments etc to send again Encrypt your local messages & sending messages Besides these koomail' s size is very small & it' s speed is very fast. Once buy free update to all version.