+#smtp inet n - - - - smtpd
+#
+# Before-filter SMTP server. Receive mail from the network and
+# pass it to the content filter on localhost port 10025.
+#
+# I *think* that the maxproc cap wants to be no more than the number
+# of spampd processes that can run, but I'm not really sure
+# (and hopefully it doesn't *really* matter)
+smtp inet n - - - 5 smtpd
+ -o smtpd_proxy_filter=127.0.0.1:10025
+ -o smtpd_client_connection_count_limit=15
+#
+# After-filter SMTP server. Receive mail from the content filter
+# on localhost port 10026.
+#
+127.0.0.1:10026 inet n - n - - smtpd
+ -o smtpd_authorized_xforward_hosts=127.0.0.0/8
+ -o smtpd_client_restrictions=
+ -o smtpd_helo_restrictions=
+ -o smtpd_sender_restrictions=
+ -o smtpd_recipient_restrictions=permit_mynetworks,reject
+ -o smtpd_data_restrictions=
+ -o mynetworks=127.0.0.0/8
+ -o receive_override_options=no_unknown_recipient_checks
+