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Outbound deliverability checklist

Twelve weighted checks, 100 points, scored in your browser. Nothing is sent anywhere: the score stays on this page. Fix the three heaviest unchecked items before you send anything.

Why these weights

Authentication and list hygiene carry 50 of the 100 points because they are binary: either the record exists or every send is taking a penalty you cannot see. Sending behaviour is next (25) because it is the part people rush. Identity is smallest (25 → 15 explained below) because it is the easiest to fix once you know it matters.

Do it on your own domain first

This checklist is the same one I run before touching a client's outbound setup, and the same one this site passes. If you want it done for you — domain plan, records, ramp schedule, suppression and the sequence — that is what the marketing engineer engagement covers: Sprint $900, Engine $1,900/month, Full Build $2,900.

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Related free tools: test-size planner · kill-rule calculator · AEO readiness checklist · JD generator · llms.txt generator

Method in the open: playbook repo · npx marketing-mindset

Warmup: day-by-day warmup planner — start date, daily target, mailboxes, the full schedule and the four stop rules.

Schema: FAQ / Q&A schema generator — copy-ready FAQPage JSON-LD with the answer-length and phrasing checks.

Also: Service / Offer schema generator — copy-ready Service + OfferCatalog JSON-LD with the price, url and description checks.

Also: UTM + GA4 event naming builder — the tagged url and the event name that ends a test, with the checks that decide whether the number is readable.

Also: AI crawler robots.txt generator — who may cite you and who may train on you, written as robots.txt groups you can paste.

Also: A/B verdict calculator — was the difference separated from zero, and was the volume ever above the floor the observed lift needs?

Also: honest test queue planner — turn volume into a queue: the floor per arm, the days each test needs and the day each verdict lands.

Also: what one honest test costs to finish — the contacts a verdict needs, the days it takes and how many funded tests a budget carries.

Also: which step of your funnel can fund a verdict — the floor, the events each arm sees in a month, and the months a readable unit takes at your volume.

Also: which of your channels can actually fund a verdict — floor per arm, months to verdict, the cost of one full two-arm test and the channel to run first at your volume.