SMTP<< 250 OK
SMTP>> QUIT
cmd buf flush ddd bytes
+ SMTP<< 220 OK
SMTP(close)>>
locking TESTSUITE/spool/db/callout.lockfile
locked TESTSUITE/spool/db/callout.lockfile
>>> SMTP<< 250 OK
>>> SMTP>> QUIT
>>> cmd buf flush 6 bytes
+>>> SMTP<< 220 OK
>>> SMTP(close)>>
>>> wrote callout cache domain record for b:
>>> result=1 postmaster=0 random=0