What is Email authentication?
Also called: SPF, DKIM, DMARC
The short answer
Email authentication uses DNS records (SPF, DKIM and DMARC) to prove that mail from your domain is really from you, so it lands in inboxes instead of spam.
What people say: “my emails go to spam”.
Email authentication, explained
Website contact forms and store receipts that send from your domain need these records set, or providers will distrust them.
Questions people ask about Email authentication
What is Email authentication?
Email authentication uses DNS records (SPF, DKIM and DMARC) to prove that mail from your domain is really from you, so it lands in inboxes instead of spam.
Related terms
DNS is the internet's address book: it translates a domain name like example.com into the IP address of the server that hosts the site.
Domain nameA domain name is the human-readable address of a website, such as example.com, that points to the server where the site lives.
DeployTo deploy is to publish a new version of a website to its host so visitors see it; modern hosts deploy automatically when code is pushed to Git.
CI/CDCI/CD is automation that checks and ships code: continuous integration runs builds and tests on every change, and continuous deployment releases what passes.
Part of the Web Encyclopedia by Apex Flow Digital. Definitions are general knowledge, kept current, with no invented statistics.