>>> 250 HELP
>>> ip4.ip4.ip4.ip4 in hosts_avoid_pipelining? no (option unset)
>>> ip4.ip4.ip4.ip4 in hosts_require_auth? no (option unset)
->>> SMTP>> MAIL FROM:<> SIZE=ssss
+>>> SMTP>> MAIL FROM:<>
>>> SMTP>> RCPT TO:<rcptuser@dane256ee.test.ex>
->>> cmd buf flush 62 bytes
+>>> cmd buf flush 52 bytes
>>> SMTP<< 250 OK
>>> SMTP<< 250 Accepted
>>> SMTP>> QUIT