SMTP>> EHLO mail.test.ex
cmd buf flush ddd bytes
SMTP<< 250 OK
+not using PIPELINING
+not using DSN
127.0.0.1 in hosts_require_auth? no (option unset)
SMTP>> MAIL FROM:<>
cmd buf flush ddd bytes
SMTP<< 550 Unknown
SMTP>> QUIT
cmd buf flush ddd bytes
+ SMTP<< 250 OK
SMTP(close)>>
locking TESTSUITE/spool/db/callout.lockfile
locked TESTSUITE/spool/db/callout.lockfile