+250 OK message data
+*sleep 1
+<<
+QUIT
+221 Closing connection
+****
+exim -odi nopipe@test.ex
+****
+#
+# Temp-error response to message-data
+# Check specifically for a close, and no repeated command
+# Also check Exim's list of commands sent
+server PORT_D
+220 Server ready
+EHLO
+250-hi there
+250-PIPELINING
+250 OK
+MAIL FROM
+250 OK mail
+RCPT TO
+250 OK rcpt