
Email Authentication Setup Checklist: SPF, DKIM, DMARC Step by Step
Six steps to authenticate your domain: list your senders, publish SPF, enable DKIM, add DMARC at p=none, test in Gmail, and keep it current as tools change.
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Six steps to authenticate your domain: list your senders, publish SPF, enable DKIM, add DMARC at p=none, test in Gmail, and keep it current as tools change.

Both providers publish sender rules that read like a spec sheet. Here is every requirement in plain English, plus where to check your setup passes.

Complaints divided by delivered mail, as a percentage. Here is how to measure your spam complaint rate honestly, and the fixes that keep it under 0.1%.

A sunset policy decides when an inactive subscriber stops getting your mail. Windows by sending frequency, the steps, and why you verify the segment first.

Three different speeds hide behind one word. What a live check, a bulk job and a deep check each cost you in time, and how to read a vendor’s claim.

There is no single sender reputation score. Here is where Gmail, Outlook and blacklists let you see how they rate you, what the numbers mean, and how to improve them.