>>> cmd buf flush 21 bytes
>>> SMTP<< 250 OK
>>> 127.0.0.1 in hosts_require_auth? no (option unset)
->>> SMTP>> MAIL FROM:<CALLER@myhost.test.ex>
->>> cmd buf flush 37 bytes
+>>> SMTP>> MAIL FROM:<sender@myhost.test.ex>
+>>> cmd buf flush 35 bytes
>>> SMTP<< 250 OK
>>> SMTP>> RCPT TO:<verify@domain.com>
>>> cmd buf flush 29 bytes
>>> accept: condition test succeeded in ACL "ar"
>>> end of ACL "ar": ACCEPT
>>> SMTP>> QUIT
+>>> SMTP<< 220 OK
>>> SMTP(close)>>
>>> ----------- cutthrough shutdown (host-checking mode) ------------
-LOG: 10HmaY-0005vi-00 <= CALLER@myhost.test.ex H=(myhost.test.ex) [1.2.3.4] P=esmtp S=sss for verify@domain.com
+LOG: 10HmaY-0005vi-00 <= sender@myhost.test.ex H=(myhost.test.ex) [1.2.3.4] P=esmtp S=sss for verify@domain.com