# Google thinks they are better than everyone else, and don't need to be compatible with greylisting.
209.85.128.0/17 permit
+# Same for Microsoft.
+40.96.0.0/13 permit
+40.104.0.0/15 permit
+52.96.0.0/14 permit
+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, 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