check verify = sender
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
Verifying U@W.x.y
-address match: subject=U@w.x.y pattern=*@*.x.y
+address match test: subject=U@w.x.y pattern=*@*.x.y
w.x.y in "*.x.y"? yes (matched "*.x.y")
U@W.x.y in "*@*.x.y"? yes (matched "*@*.x.y")
LOG: address_rewrite MAIN
----------- end verify ------------
sender U@W.x.y verified ok as U@x.y
accept: condition test succeeded in ACL "acl_rcpt"
+end of ACL "acl_rcpt": ACCEPT
SMTP>> 250 Accepted
SMTP<< quit
SMTP>> 221 myhost.test.ex closing connection