SMTP<< 250 Sender OK
SMTP>> RCPT TO:<userx@domain.com>
cmd buf flush ddd bytes
-sync_responses expect rcpt
+sync_responses expect rcpt for userx@domain.com
SMTP<< 250 Recipient OK
SMTP>> DATA
cmd buf flush ddd bytes
sequence=1 local_max=500 global_max=-1
no messages waiting for 127.0.0.1
transport_check_waiting: FALSE
- SMTP>> QUIT
+ SMTP+> QUIT
cmd buf flush ddd bytes (more expected)
SMTP(close)>>
Leaving my_smtp transport