-o mynetworks=127.0.0.0/8
-o receive_override_options=no_unknown_recipient_checks,no_milters
-smtp-forward unix - - n - - smtp -o smtp_bind_address=18.102.208.11
-smtp-local unix - - n - - smtp -o smtp_bind_address=18.102.208.44
+#smtp-forward unix - - n - - smtp -o smtp_bind_address=18.102.208.11
+#smtp-local unix - - n - - smtp -o smtp_bind_address=18.102.208.44
# When relaying mail as backup MX, disable fallback_relay to avoid MX loops
# -o smtp_helo_timeout=5 -o smtp_connect_timeout=5