Tagged: email authentication
Email AuthenticationTLS-RPT delivers daily reports on TLS connection failures when other servers try to deliver mail to your domain. This guide explains how to deploy TLS-RPT with a single DNS record, what the JSON reports contain, and which failure types to watch for in your monitoring.
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Email AuthenticationDKIM adds a cryptographic signature to every outbound message, letting receiving servers verify the email actually came from your domain. Here's how to set it up correctly and fix the failures that quietly hurt delivery.
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Email AuthenticationDMARC tells receiving mail servers what to do when SPF or DKIM checks fail — and sends you daily reports showing who is sending email using your domain. Here's how to deploy it without breaking legitimate mail.
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Email AuthenticationSPF tells receiving mail servers which IP addresses are authorized to send email for your domain. Getting it wrong breaks delivery. Getting it right is the foundation of email authentication — here's how to do it correctly.
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Email AuthenticationBIMI lets your logo show up next to your emails in the inbox — but only after your domain enforces DMARC. Here's what it actually takes to set it up correctly.
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Email ClientsMost delivery problems leave a clear trail in the raw email headers — you just have to know which fields matter. Here's how to read them and what to look for.
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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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