>>> cmd buf flush 6 bytes
>>> SMTP<< 221 myhost.test.ex closing connection
>>> SMTP(close)>>
+>>> cmdlog: '220:EHLO:250-:STARTTLS:220:EHLO:250-:MAIL|:RCPT:250:250:QUIT:221'
>>> wrote callout cache domain record for dane256ee.test.ex:
>>> result=1 postmaster=0 random=0
>>> wrote positive callout cache address record for rcptuser@dane256ee.test.ex