40.104.0.0/15 permit
52.96.0.0/14 permit
2603:1000::/24 permit
+# And Sparkpost.
+156.70.4.0/23 permit
+156.70.2.0/23 permit
# Some hosts that send bounces to the wrong guy (i.e., me)
192.241.146.138 reject please check mail server config, your server is sending bounce spam
159.203.190.197 reject please check mail server config, your server is sending bounce spam
159.65.138.221 reject please check mail server config, your server is sending bounce spam
128.199.206.172 reject please check mail server config, your server is sending bounce spam
+142.93.223.22 reject please check mail server config, your server is sending bounce spam