DNSWL Support
It is good practice to allow RBL - but you should allow DNSWL too.
Example for postfix: permit_dnswl_client list.dnswl.org
Common whitelists: http://www.dnswl.org/ http://www.spamhauswhitelist.com/
It is good practice to allow RBL - but you should allow DNSWL too.
Example for postfix: permit_dnswl_client list.dnswl.org
Common whitelists: http://www.dnswl.org/ http://www.spamhauswhitelist.com/