diff --git a/plugins/rcpt_mysql b/plugins/rcpt_mysql
index c35246c..a254a68 100644
--- a/plugins/rcpt_mysql
+++ b/plugins/rcpt_mysql
@@ -93,6 +93,8 @@ sub tryToConnect
     my $user    = $self->{user};
     my $pass    = $self->{pass};
 
+    $self->log(LOGDEBUG, "DSN try:" . $dsn);
+    
     my $dbh         = DBI::connect($dsn, $user , $pass );
 
     if ($dbh->err())