🚀 go-pugleaf

rickert@mp.cs.niu.edu (Neil Rickert) writes:
[...]
|name, and thinks it must relay it.  It accepts the mail for forwarding
|to its relay.  At this stage it disconnects, and you have your "positive
|handoff" acknowledgement.  Now host B tries to send to its relay.  I
|discovers that the relay doesn't exist.  It tries to bounce the message.
|The bounce is sent to the relay.  But the relay doesn't exist, so the
|bounce also fails.

|This type of situation is quite common.  Newly installed machines just
|out of the box often behave this way, and inexperienced administrators
|may not notice the problem for several months.

With respect, that's an administrator error, not a problem in the
protocol or its normal implementation.  I can make any mail system
fail by carefull misconfiguration.  Thus the definition of sendmail
in my signature.

--dave

-- 
David Collier-Brown,  | davecb@CCS.YorkU.CA | lethe!dave
72 Abitibi Ave.,      | 
Willowdale, Ontario,  | York Postmaster and
CANADA. 416-223-8968  | occasional sendfail(8) consultant.