Free email analysis

Know your email
deliverability score

Send an email to the address below and get a comprehensive analysis: SPF, DKIM, DMARC, blacklists, content quality, and 10 more checks. Detailed score with actionable fixes.

How it works

Get a test address

Click the button above to generate a unique test email address. Each address is valid for 24 hours.

Send your email

Send a real email from your mail system. We receive it through our Postfix server and analyze it with rspamd.

Get your score

15 checks run in parallel: authentication, infrastructure, content analysis. Get a 0-10 score with specific fixes.

15 comprehensive checks

Every email is analyzed across authentication, infrastructure, and content. Score-affecting checks are objective — no false positives.

SPF score

Sender Policy Framework verification + alignment

DKIM score

DomainKeys signature verification

DMARC score

Policy evaluation and alignment check

Reverse DNS score

PTR record + forward-confirmed rDNS

Blacklists score

20+ DNSBL lists checked in parallel

MX Records score

Mail server resolution and validation

TLS score

Encryption version and cipher strength

EHLO score

Hostname validation and DNS match

Content (rspamd) score

Spam scoring, links, HTML quality

SPF Lookups info

DNS lookup count vs RFC limit

DKIM Key info

RSA key strength assessment

MTA-STS info

Transport security policy

BIMI info

Brand indicator for identification

ARC info

Authenticated Received Chain

Email Structure info

text/plain, List-Unsubscribe, HTML

Automate with our API

Run deliverability tests programmatically. Per-project API keys, usage tracking, team workspaces.

View API docs See pricing