+exim_lock: lockname = test-mail/userx.lock
+ hitchname = test-mail/userx.lock.test.ex.dddddddd.pppppppp
+exim_lock: creating lock file
+exim_lock: lock file successfully created
+exim_lock: fcntl() lock successfully applied
+exim_lock: locking test-mail/userx succeeded: running SHELL ...
+exim_lock: test-mail/userx closed
+exim_lock: lock file removed
+exim_lock: fcntl() lock successfully applied
+exim_lock: locking test-mail/userx succeeded: running SHELL ...
+exim_lock: test-mail/userx closed
+exim_lock: fcntl() lock successfully applied
+exim_lock: locking test-mail/userx succeeded: running SHELL ...
+exim_lock: test-mail/userx closed