******** SERVER ******** Listening on port 1224 ... Connection request from [127.0.0.1] 220 ESMTP EHLO myhost.test.ex *sleep 4 End of script Listening on port 1224 ... Connection request from [127.0.0.1] 220 ESMTP EHLO myhost.test.ex 250 OK MAIL FROM: *sleep 4 End of script