SPF

This disambiguation page lists articles associated with the same or a similar title.

• Sender Policy Framework [r]: Email authentication method that verifies the domain name in the envelope return address against the sender's IP address. ^[e]
• Shortest Path First [r]: A class of routing protocol algorithms for finding optimal topologies; also called link state; basic of Open Shortest Path First; sometimes called the Dijkstra algorithm ^[e]
• Sunscreen Protection Factor [r]: Add brief definition or description