Connecting to 127.0.0.1 [127.0.0.1]:1224 from ip4.ip4.ip4.ip4 ... connected
SMTP<< 220 ESMTP
SMTP>> EHLO myhost.test.ex
+cmd buf flush ddd bytes
SMTP<< 250-OK
250-HELP
250 AUTH LOGIN
not using PIPELINING
-use_dsn=0
+not using DSN
SMTP>> MAIL FROM:<CALLER@myhost.test.ex>
+cmd buf flush ddd bytes
SMTP<< 250 Sender OK
SMTP>> RCPT TO:<userx@domain.com>
+cmd buf flush ddd bytes
SMTP<< 250 Recipient OK
SMTP>> DATA
+cmd buf flush ddd bytes
SMTP<< 354 Send data
SMTP>> writing message and terminating "."
writing data block fd=dddd size=sss timeout=300
sequence=1 local_max=500 global_max=-1
no messages waiting for 127.0.0.1
SMTP>> QUIT
+cmd buf flush ddd bytes
+ SMTP(close)>>
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"