Radius - is a comprehensive FTN Mailer designed to work as a multi-line system using two widely used data exchange transports - Dial-up networking and TCP/IP - simultaneously. Radius is based on the source code of Argus 3.210. Radius has all the same function os Argus. There many new features in Radius, some errors of Argus are fixed in it. Major benefits by using Radius are:

• True multitasking using Win32 API
  
• True multi-line mailing system
  
• Extended TCP/IP support