2603:1000::/24 permit
# Some hosts that send bounces to the wrong guy (i.e., me)
-153.122.0.0/15 reject please check mail server config, your server is sending bounce spam
-153.121.32.0/19 reject please check mail server config, your server is sending bounce spam
192.241.146.138 reject please check mail server config, your server is sending bounce spam
209.97.143.86 reject please check mail server config, your server is sending bounce spam
+209.97.132.56 reject please check mail server config, your server is sending bounce spam