Will Gmail and Yahoo let your email in?
Type your sending domain. We look up your SPF, DKIM, DMARC and MX records live, in your browser, and check each one against the Gmail and Yahoo bulk sender rules. You get pass, warn or fail for each, and the fix.
$1,500, credited to your first month if you start within 14 days. Refunded if we don't find 3 fixable leaks.
We sell audits. The check is free either way.
10 of 10 client openings left for November. We take on up to 10 new clients a month.
What this checks against
- Since February 2024, Gmail and Yahoo require bulk senders to set up SPF and DKIM, and to publish a DMARC policy of at least p=none. Google: email sender guidelines Yahoo Sender Hub: best practices
- Spam complaints must stay under 0.30%, and Gmail recommends staying under 0.10%. Google: email sender guidelines
- Marketing email needs one-click unsubscribe. Yahoo asks that unsubscribes be honored within 2 days. Google: email sender guidelines Yahoo Sender Hub: best practices
- From November 2025, Gmail said it was ramping up enforcement on mail that breaks these rules, including temporary and permanent rejections. Google: sender guidelines FAQ
1
Type your domain
The domain you send email from, not your website builder or your email platform's domain.
2
Watch each record get checked
Your browser asks Cloudflare's public DNS resolver for your SPF, DKIM, DMARC and MX records, one at a time, live.
3
Copy the fixes
Each row says what it found, why it matters for Gmail and Yahoo, and the exact change to make.
Fair questions
Do you see my domain or my results?
Not unless you email the results to yourself. The lookups go from your browser straight to Cloudflare's public DNS resolver (cloudflare-dns.com), the same public records any mail server reads.
Why couldn't you find my DKIM record?
DKIM lives at a name your email platform picks, called a selector. If yours isn't one of the common ones, open any email you sent, view the original message, find the DKIM-Signature line and copy the value after s=. Enter that as the selector.
If everything passes, am I safe?
You've covered the DNS half. Gmail and Yahoo also check one-click unsubscribe and your spam complaint rate, and your From domain has to line up with your SPF or DKIM domain. None of those show up in DNS. The open-rate reality check covers them.
Is p=none good enough?
It meets the Gmail and Yahoo rule. It also tells receivers to do nothing when mail fails, so once your DMARC reports show every real sender passing, move to p=quarantine.
See what we'd fix first.
Send your website. Within two business days Jerome or Effie sends you a 5-minute screen recording of the three leaks we'd fix first, free.
Ready for the full picture? The $1,500 audit maps everything, fixes one leak on the spot and is credited to your first month.
Your free teardown
A 5-minute video of your site, recorded by a founder.
We'll send your video, then a few short emails from Jerome with fixes like these. Unsubscribe in one click. Privacy