If you are reading this you don't know enough to forge email well enough to elude arrest. Here is an example of a different email program, sendmail. This will give you an idea of the small variations you'll run into with this hack. But what the heck, all Internet hosts know that kind of info. I'll just bull ahead and send fake mail anyhow.
Sender is valid.
Recipient is valid. End with the . character on a line by itself. Ok quit 221 InterLink. Here the InterLink. NET computer has revealed the computer I was on when I telnetted to its port 25.