Clear guidance for email DNS.
Learn the changes that improve authentication and make mail systems easier to manage.
What is SPF?How SPF authorizes the services that send mail for your domain.Read guide →What is DKIM?How signed messages help recipients validate your sender identity.Read guide →What is DMARC?How DMARC connects SPF and DKIM to protect your domain.Read guide →Gmail sender requirementsAuthentication practices for reliable delivery to Gmail.Read guide →Outlook sender requirementsWhat to review before sending at volume to Outlook.Read guide →Set up DNS on CloudflareA clear walkthrough for adding email DNS records.Read guide →Why email goes to spamThe practical signals that affect delivery.Read guide →