Clean entire email lists in minutes
Upload a CSV, get a clean list back. Remove invalid, risky and disposable addresses before you hit Send, and stop bounces before they damage your sender reputation.
Includes 250 free credits · No credit card required
Trusted by 5,600+ Businesses Across 180+ Countries
Bring your list in from anywhere
Drag-and-drop a CSV, paste a column from a spreadsheet, or pull straight from your ESP, CRM or warehouse with 60+ native integrations.
- Drag-and-drop CSV, XLSX, TXT (up to millions of rows per job)
- 60+ integrations: Mailchimp, HubSpot, ActiveCampaign, Brevo, Salesforce, Klaviyo…
- Copy-paste from any spreadsheet, or pipe in via the API
Drop your list here
CSV, XLSX or TXT · up to 5,000,000 rows
Real-time results at industry-leading speed
No queues, no overnight waits. Watch your list verify live, with 99% accuracy and a deliverability guarantee to back it up.
- 30,000+ emails per minute: 100k list done in under 3 minutes
- Multi-stage pipeline: syntax → domain → MX → SMTP → reputation
- Anti-greylisting engine resolves the 3% of addresses other tools mark Unknown
April Newsletter
76,482 emails · started 2 min ago
39,910
Deliverable
14,401
Risky
7,640
Undeliverable
6,266
Unknown
See exactly what's in your list
A complete breakdown by state and reason. Drill into any individual result for the full verification trail.
- Per-result: state, reason, score (0–100), SMTP provider, MX, role/disposable/free flags
- Did-you-mean suggestions catch typos like gnail.com → gmail.com
- Detailed dashboard reports and trends across lists over time
sarah@acme.com
DeliverableScore
98 / 100
SMTP Provider
Google Workspace
MX Record
aspmx.l.google.com
Full Name
Sarah Chen
Get the clean list back where you need it
Download instantly, push back to the source integration, or build a custom export with exactly the columns and states you need.
- One-click exports: CSV, XLSX, or back to your ESP/CRM
- Filter by state, score, role, disposable, free, accept-all and more
- Choose your own columns, including enriched fields like SMTP provider and full name
Export options
Choose which states to include
The strategic case for clean lists
A dirty list quietly costs you for months; bulk verification fixes that in one pass.
Protect domain reputation
Keep your sender score high so inboxes keep letting you in.
Stay off blacklists
Avoid the spam-folder spiral caused by sending to dead addresses.
Keep your list clean
Hard-bounce-free lists power healthy long-term campaign performance.
Reduce bounce rates
Strip invalid emails before they tank your delivery metrics.
Improve deliverability
Be confident your messages are actually seen by real people.
Get realistic metrics
Open and click rates that reflect engagement, not garbage data.
Improve engagement
Send only to deliverable addresses to drive real responses.
Eliminate bad signups
Remove fake, misspelled and non-existent emails from any source.
Save time and money
Stop paying ESP credits to email contacts that don't exist.
Other ways to clean and protect your sending
Pair this with the rest of the VerifyMaill platform. Every feature is included on every plan.
Frequently asked questions
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Hit Send with a list you can trust
Upload a CSV, get a clean list back in minutes. 250 credits free every month, no credit card required.
Includes 250 free credits · No credit card required