Category: Email Authentication
Email AuthenticationMTA-STS and TLS-RPT protect email in transit by requiring encrypted SMTP connections to your domain and reporting TLS failures. Learn how to implement both standards safely without disrupting delivery.
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Email AuthenticationBIMI lets you display your brand logo next to emails in the inbox. Learn what authentication requirements you need, how to set up the DNS record and SVG logo, and which inbox providers support it.
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Email AuthenticationSPF enforces a hard cap of 10 DNS lookups. Exceed it and your record returns a permerror that breaks authentication for every mail you send. Here's how to diagnose and fix it.
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Email AuthenticationDKIM keys should be rotated regularly, but doing it wrong can break authentication for messages already in flight. This step-by-step guide shows how to rotate selectors safely.
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Email AuthenticationMoving to DMARC p=reject protects your domain from spoofing—but rushing the rollout can silently block legitimate mail. This phased guide takes you from p=none to full enforcement safely.
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