SMTP<< 250-esmtp-resp
250-PIPELINING
250-X_PIPE_CONNECT
- 250-STARTTLS
+ 250-SIZE
250 ok
-EHLO cleartext extensions changed, 0x0120/0x0000 -> 0x0121/0x0000
-writing clr 0121/0000 cry 0000/0000
+EHLO cleartext extensions changed, 0x0120/0x0000 -> 0x0160/0x0000
+writing clr 0160/0000 cry 0000/0000
sync_responses expect mail
SMTP<< 250 mail-from accepted
sync_responses expect rcpt