Deferred addresses:
locking TESTSUITE/spool/db/retry.lockfile
locking TESTSUITE/spool/db/wait-t1.lockfile
-cmdlog: '220:EHLO:250:MAIL:250:RCPT:550:QUIT:250'
+cmdlog: '220:EHLO:250:MAIL:250:RCPT:550:QUIT+:250'
LOG: MAIN
** x@uppercase.test.ex R=r1 T=t1 H=uppercase.test.ex [127.0.0.1]: SMTP error from remote mail server after RCPT TO:<x@UpperCase.test.ex>: 550 Unknown
Exim version x.yz ....