Make sure your mailboxes are working.
Upload your list. We verify every address, flag risky ones, and tell you whether your campaign is safe to send. No bounces. No domain damage.
How it works
Clean lists in three steps
Upload your list
Drop a CSV — any size, up to 100k+ contacts per job.
We verify deeply
SMTP, MX, catch-all, disposable, role-based, and dedupe.
Get safe-to-send list
Cleaned CSV plus a deliverability report you can act on.
The Safety Report
More than verification.
It's campaign safety.
Other tools sell credits. We sell certainty. Every Cold Email Check Report includes everything you need to protect your sending domain.
- Valid / invalid / risky / unknown breakdown
- Catch-all mailbox detection
- Disposable email detection
- Role-based emails flagged
- Duplicate removal
- Final “safe to send” cleaned list
- Deliverability recommendation
Recommendation: Warm up sending domain 3 more days before this batch.
Pricing
Pay per list. No subscriptions.
Bigger lists, better rates. Every package includes the full Safety Report.
- Full Safety Report
- Catch-all + disposable detection
- Cleaned CSV export
- Deliverability advice
- Full Safety Report
- Catch-all + disposable detection
- Cleaned CSV export
- Deliverability advice
- Full Safety Report
- Catch-all + disposable detection
- Cleaned CSV export
- Deliverability advice
- Full Safety Report
- Catch-all + disposable detection
- Cleaned CSV export
- Deliverability advice
- Full Safety Report
- Catch-all + disposable detection
- Cleaned CSV export
- Deliverability advice
- Full Safety Report
- Catch-all + disposable detection
- Cleaned CSV export
- Deliverability advice
Need basic verification only? $15 per 1,000 — cleaned CSV, no report.
Add-ons
Take it further
Domain & email setup check
Audit your sending infra end to end.
SPF / DKIM / DMARC check
Find the auth gaps killing your inbox rate.
Campaign setup
Done-for-you sequence build, ready to launch.
Full cold email management
We run your outbound. You take meetings.
FAQ
Common questions
How accurate is the verification?+
We hit 98–99%+ accuracy by combining SMTP probing, MX checks, catch-all detection, and disposable databases — far above raw API output.
How fast do I get my report?+
Most lists under 10,000 finish in 5–20 minutes. Larger lists (100k+) usually within an hour.
Will checking burn my sender reputation?+
No. Verification happens from our infrastructure, never from your domain or mailboxes.
Do you store my list?+
Lists are encrypted at rest and auto-deleted after 30 days. You can purge anytime from your dashboard.
Stop guessing if your list is safe.
Run your first safety check in under 10 minutes.