Which technique checks whether the sender's IP address matches the domain from which the email claims to come, thus preventing email spoofing?

Which technique checks whether the sender’s IP address matches the domain from which the email claims to come, thus preventing email spoofing?

Which technique checks whether the sender’s IP address matches the domain from which the email claims to come, thus preventing email spoofing?
A . SPF (Sender Policy Framework)
B . DMARC (Domain-based Message Authentication, Reporting, and Conformance)
C . DKIM (DomainKeys Identified Mail)
D . DNSBL (Domain Name System Blacklist)

Answer: A