This information is exclusively for those who have a domain (Web site) name and whom wish to protect their domain's good name from SPAM abuse.
If you have ever received an email from your own domain, which didn't originate at your organization, it might be useful to know that a Sender Policy Framework (SPF) record in your DNS (Domain Name System) configuration can reduce that significantly.
By: Cookie's Domain Shop.co.uk|Email|Jan 29, 2011