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