******** SERVER ********
Listening on port 1224 ... 
Connection request from [127.0.0.1]
220 Server ready
EHLO the.local.host.name
250-server id
250-PIPELINING
250 OK
MAIL FROM:<CALLER@the.local.host.name>
250 OK
RCPT TO:<userx@test.ex>
550 NO
>*eof
End of script