[X-Unix] SSH without requiring password between 2 machines

[Albert Lunde]

> I only saw one period in his message.  My own response showed
> only one period as well.  I'm not sure how you got to see "..ssh"
> instead of ".ssh".  Weird.  Anyone else notice this?

This was probably due to a broken implementation of SMTP.

A line starting with a period is a special case in the
protocol, as a single period alone ends the message body.
As I recall, the explict convention in the protocol
is to double any other initial period over the wire, and 
undo this later.