Koma-Mail is a small and very easy to use e-mail client, which is equipped with all the necessary functions for e-mail handling, as well as a built-in RSS reader and a simple personal organizer. The application allows you to support multiple user profiles, as well as a dozen or so e-mail accounts for each of them. Each profile can be encrypted and all data collected by the program is stored on the hard drive in appropriate folders.

Koma-Mail works well with text and HTML messages, allows you to create email templates, mark received messages with colors, filter, etc. The Koma-Mail can also be used to create email templates. Another noteworthy feature is a quite effective anti-spam module, allowing you to protect yourself from unwanted messages.

In addition to e-mail functions, the program is also equipped with a personal organizer module. It includes elements such as a simple RSS reader, a calendar that can also serve as a schedule, a tool to manage contacts and tasks to be performed. Koma-Mail supports IMAP, POP3, SMTP and WebDav protocols, supporting APOP and SSL.

Its great advantage is the ability to run from the flash drive on any computer, without the need for installation. Among the many language versions there is also Polish.