******** SERVER ********
Listening on port 1224 ... 
Connection request from [127.0.0.1]
220 Server ready
EHLO myhost.test.ex
250-server id
250-PIPELINING
250 OK
MAIL FROM:<CALLER@test.ex>
250 OK
RCPT TO:<userx@test.ex>
250 OK
DATA
500 NO
QUIT
200 OK
End of script
Listening on port 1224 ... 
Connection request from [127.0.0.1]
220 Server ready
EHLO myhost.test.ex
250-server id
250 OK
MAIL FROM:<CALLER@test.ex>
250 OK
RCPT TO:<userx@test.ex>
250 OK
DATA
500 NO
QUIT
200 OK
End of script