+ no messages waiting for 127.0.0.1
+transport_check_waiting: FALSE
+ SMTP+> QUIT
+cmd buf flush ddd bytes (more expected)
+ SMTP(shutdown)>>
+ SMTP<< 250 OK
+ SMTP(close)>>
+cmdlog: '220:EHLO:250-:MAIL:250:RCPT:250:DATA:354:.:250:QUIT:250'
+Leaving my_smtp transport