SMTP>> RCPT TO:<extchange@test.ex>
SMTP>> DATA
cmd buf flush ddd bytes
-Connecting to 127.0.0.1 [127.0.0.1]:1225 ... sending 87 nonTFO early-data
+Connecting to 127.0.0.1 [127.0.0.1]:1225 ... sending dd nonTFO early-data
connected
smtp_reap_early_pipe expect banner
SMTP<< 220 banner