+ timestamp but no expiry timestamp. Code by Simon Arlott; testsuite
+ additions by jgh
+
+ 4. The recipients_max main option is now expanded
+
+ 5. Setting variables for "exim -be" can set a tainted value
+
+ 6. A dns:fail event
+
+ 7. The dsearch lookup supports search for a sub-path
+
+ 8. Include mailtest utility for simple connection checking