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How healthy is your
email list?

Paste up to 100 emails below. Get an instant A–F health score, deliverability breakdown, and actionable recommendations — completely free.

Paste emails — one per line, or comma/semicolon separated

Up to 100 emails free

✓ No signup needed✓ Emails never stored✓ 3 free checks/hour

What we check

✉️

Syntax

Invalid format detection

🌐

DNS / MX

Domain exists & accepts mail

🗑️

Disposable

Temp email detection

👤

Role-based

info@, noreply@, etc.

🪤

Catch-all

Domains that accept anything

📬

Mailbox

Real SMTP confirmation