See exactly why your email lands in spam — free, not guesswork.

SPF, DKIM, DMARC and BIMI checks, blacklist monitoring, your own private seed tester, DMARC report analytics, and content analysis — rolled into one clear 1–10 score with the exact fixes to make.

No credit card required 5 free tests every 24 hours Setup in minutes
Paste the full headers from any email — get an instant read.

Everything that decides whether you reach the inbox

Six checks, one score. Each one comes with plain-English fixes, not just a pass/fail.

SPF, DKIM, DMARC & BIMI

Full authentication checks with the exact record you're missing and why it matters.

Your own seed tester

Send a real email to a unique address we generate — get headers, spam score, and content feedback back.

DMARC report analytics

We parse your aggregate reports and show which sending sources actually pass alignment.

Blacklist monitoring

Automatic checks against Spamhaus, Barracuda, SORBS and SpamCop for your sending IPs.

Content analysis

Spam-trigger phrases, link ratios, missing unsubscribe links — flagged before you hit send.

One clear score, 1–10

Every check rolls up into a single score with prioritized fixes across infra, warmup and content.

Three steps to your first score

1

Sign up free

No card. Just your name, work email and company.

2

Verify your email

One click from the confirmation email we send you.

3

Add a domain or run a seed test

Get your full score and fixes in under a minute.

Free forever tier · no card required

Get your full deliverability score today.