+70. If an address verification called from an ACL failed, and did not produce a
+ user-specific message (i.e. there was only a "system" message), nothing was
+ put in $acl_verify_message. In this situation, it now puts the system
+ message there.
+
+71. Change 4.23/11 added synchronization checking at the start of an SMTP
+ session; change 4.31/43 added the unwanted input to the log line - except
+ that it did not do this in the start of session case. It now does.
+