Marketing Ops with Sam

Free tools · Email Deliverability Checker

Will your emails land in the inbox?

Quick answer: This checker looks up your domain’s public email records: MX (where mail goes), SPF (who may send), DKIM (signed mail) and DMARC (what to do with fakes). Missing or weak records are a common reason marketing emails land in spam.

Email Deliverability Checker: toy illustration

Free: Pass or fail for SPF, DKIM, DMARC and MXWith your email: What each result means and exactly what to fix

How it works

  1. Enter your domain, e.g. yourcompany.com
  2. The checker reads your public DNS records
  3. See pass or fail for each record
  4. Unlock the plain-English explanation and fixes

Questions people ask.

What are SPF, DKIM and DMARC?

SPF lists the services allowed to send email for your domain, DKIM signs your emails so they can’t be altered, and DMARC tells inboxes what to do with mail that fails those checks.

Why can’t the checker find my DKIM?

DKIM keys live under a “selector” chosen by your email provider. The checker tries the common ones; if yours uses a different selector it may not show, even if DKIM is set up.

Since 2024, do I need DMARC?

Google and Yahoo require SPF, DKIM and DMARC for bulk senders. Even small senders get better inbox placement with all three.

More free tools

Related: Free DMARC record generator · SPF, DKIM and DMARC setup service · Want it built for you? Book a call

Make AI photos that don’t look like AI.

Get the free playbook: 5 rules and 15 copy-ready prompts for photos of yourself, product shots and posters.

Free, in your inbox in a minute. You’ll also get my Friday AI idea.