MMail, or Minitel Mail, is a simple electronic mail protocol for Minitel networks, using port 25.
A message must contain:
From:and an address, specifying where this mail came from, in the form of
To:and an address, specifying to whom this mail is addressed to, in the form of
Subject:and a subject line, specifying the subject of the message.
The entire exchange will be written to the file, but those lines are required.
Sending a MMail message is simple:
The server can then decide what to do with the message.