Thursday February 20th, 2020 from 6:30PM till 9:00PM Central Time Nick and Elena's Pizzeria 3007 Woodson Rd, Overland, MO 63114 ANTI-SPAM with Sender Policy Framework by David (Dave) Forrest Sometimes, a bit more action is needed to get e-mail SPAM to manageable amounts. What do you use? IETF's Sender Policy Framework (SPF) is one of the answers. It was once known as “Sender PERMITTED FROM”, but now is actually “Sender POLICY FRAMEWORK” and MUST be included in a TXT resource record. Sender Policy Framework (SPF) is the current anti-spamming idea used by gmail and others. SPF is a great technique to add authentication to your emails. However it has some limitations.