diff -r e0441b07bccc -r 9cdc6ef83265 postfix/pgsql-transport_maps.cf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/postfix/pgsql-transport_maps.cf	Fri Apr 06 21:32:09 2012 +0000
@@ -0,0 +1,19 @@
+# All parameters are described in pgsql_table(5) / PGSQL PARAMETERS
+#
+# The hosts that Postfix will try to connect to and query from.
+hosts = localhost
+
+# The user name and password to log into the pgsql server.
+user = postfix
+password = some_password
+
+# The database name on the servers.
+dbname = mailsys
+
+# The SQL query template used to search the database
+# Use this VIEW-based template if you didn't create the pgsql function
+# `postfix_transport_map'.
+#query = SELECT transport FROM postfix_transport WHERE address='%s'
+
+# the recommended, function-based template
+query = SELECT transport FROM postfix_transport_map('%u', '%d')