# 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=postfixpassword=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 templatequery=SELECTtransportFROMpostfix_transport_map('%u','%d')