RMail application is working as SMTP and POP3 servers what is allowed to use the most popular e-mail client programs for sending and receiving e-mail messages ("The Bat", Outlook or the other program for other types operation system, i.e. Linux and so on) with turning on authorization by login and password, entered in account settings. The 127.0.0.1 IP address or name of server in e-mail client program can be used (when e-mail client and RMail program are started on the same computer).
RMail.exe program can be worked as portable from flash or other removable media, but it is creating some number of temporarily files (letters and so on) in subfolders.
Windows XP 64-bit,
Windows XP 32-bit