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Email authentication
ARC
A comprehensive collection of questions and answers about ARC email authentication from email marketers, experts and technical documentation.
What is the purpose of the ARC-Seal header?
Does ARC re-authenticate an email?
What ARC header field indicates the chain validation status?
What is the 's=' tag in an ARC-Seal header?
Does ARC replace DMARC or SPF/DKIM?
What is the ARC-Authentication-Results header used for?
What is the role of the 'cv' tag in an ARC-Seal header?
Does ARC prevent email spoofing?
What ARC header contains a cryptographically signed copy of the message's state?
What is the 'i=' tag in an ARC-Seal header?
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