SMTP<< 354 Send data
SMTP>> writing message and terminating "."
cannot use sendfile for body: spoolfile not wireformat
+ SMTP>> .
writing data block fd=dddd size=sss timeout=300
SMTP<< 250 OK
ok=1 send_quit=1 send_rset=0 continue_more=0 yield=0 first_address is NULL
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
LOG: MAIN
=> userx@domain.com R=my_main_router T=my_smtp H=127.0.0.1 [127.0.0.1] C="250 OK"