History Legend

In the stats report, mlist.txt, you'll find a column labeled History. This column shows the results of test messages sent for each of the last 12 days. Here's what the codes mean.

?	No test message sent
(space)	Response not received 
#	Response in less than 5 minutes 
*	Response in less than 1 hour 
+	Response in less than 4 hours 
-	Response in less than 24 hours 
.	Response in less than 2 days 
_	Response in more than 2 days