DKIM, DMARC, SPF

Question 1

DKIM

Answer 1

DomainKeys Identified Mail

Question 2

What is DKIM?

Answer 2

an email authentication method that uses a digital signature to let the receiver of an email know that the message was sent and authorized by the owner of a domain

Email contents have NOT been modified

Signatures are NOT visible

Question 3

DMARC

Answer 3

Domain-based Message Authentication, Reporting and Conformance

Question 4

What is DMARC?

Answer 4

helps protect email senders and recipients from advanced threats that can be the source of an email data breach

helping to secure email from threats like spam, phishing and email spoofing

specify the actions to be taken when an email fails authentication

Question 5

SPF

Answer 5

Sender Policy Framework

Question 6

What is SPF

Answer 6

an email authentication method that helps to identify the mail servers that are allowed to send email for a given domain

ISPs can identify email from spoofers, scammers and phishers