remove exit if no matches in log

smtpd_watcher/smtpd_watcher.py

@@ -42,8 +42,7 @@ class SmtpdWatcher:
         else:
             logfile = open(self.config['mail_log_file'], 'r', encoding='utf-8')
         for line in logfile:
-            if not self._process_log_file(line):
-                sys.exit(1)
+            self._process_log_file(line)
 
     def _read_banned_ips(self):
         ips = {}