1 files changed, 24 insertions, 1 deletions

diff --git a/plugins-scripts/check_mailq.pl b/plugins-scripts/check_mailq.pl
index 2a805b6..cc040eb 100755
--- a/plugins-scripts/check_mailq.pl
+++ b/plugins-scripts/check_mailq.pl
@@ -605,7 +605,30 @@ sub process_arguments(){
                         exit $ERRORS{'UNKNOWN'};
                 }
         }else{
-                $mailq = 'sendmail' ;
+                if (defined $utils::PATH_TO_QMAIL_QSTAT
+                    && -x $utils::PATH_TO_QMAIL_QSTAT)
+                {
+                        $mailq = 'qmail';
+                }
+                elsif (-d '/var/lib/postfix' || -d '/var/local/lib/postfix'
+                       || -e '/usr/sbin/postfix' || -e '/usr/local/sbin/postfix')
+                {
+                        $mailq = 'postfix';
+                }
+                elsif (-d '/usr/lib/exim4' || -d '/usr/local/lib/exim4'
+                       || -e '/usr/sbin/exim' || -e '/usr/local/sbin/exim')
+                {
+                        $mailq = 'exim';
+                }
+                elsif (-d '/usr/lib/nullmailer' || -d '/usr/local/lib/nullmailer'
+                       || -e '/usr/sbin/nullmailer-send'
+                       || -e '/usr/local/sbin/nullmailer-send')
+                {
+                        $mailq = 'nullmailer';
+                }
+                else {
+                        $mailq = 'sendmail';
+                }
         }
                 
         return $ERRORS{'OK'};