SMTP<< 250 OK
SMTP<< 500 NO
SMTP>> QUIT
+ SMTP(close)>>
LOG: MAIN
** userx@test.ex R=r1 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after pipelined DATA: 500 NO
LOG: MAIN
SMTP>> DATA
SMTP<< 500 NO
SMTP>> QUIT
+ SMTP(close)>>
LOG: MAIN
** userx@test.ex R=r1 T=t1 H=127.0.0.1 [127.0.0.1]: SMTP error from remote mail server after DATA: 500 NO
LOG: MAIN