munin-exim_mailstat.patch

--- /var/tmp/exim_mailstats     2010-10-25 09:45:38.000000000 +0100
+++ ./exim_mailstats    2010-10-25 09:59:10.000000000 +0100
@@ -106,8 +106,8 @@
 
     my ($LOGFILE, $rotated) = tail_open($fname, $start);
 
-    if ($rotated) {
-        # Reset everything if the log has been rotated
+    if ($rotated || $received eq 'U') {
+        # Reset everything if the log has been rotated or we've just initialized
         $pos = $received = $completed = $rejected = 0;
     }