Posts Tagged ‘dns’
Sender Policy Framework
What is a SPF record? Well it is a DNS entry that is used to help combat SPAM and email spoofing. It does this by adding information to DNS about which servers are allowed to send email for that Domain. 
A SPF record is a custom record call txt in windows DNS. There are many tools that can help you automatically create a SPF record. At the end of this article I will list a great one. The way SPF combats SPAM and domain Spoofing is when an email is sent from XYZ domain the receiving server or mail gateway (if configured to do SPF checking) does a SPF check. Once it