Bulk Email Verification
You Can Actually Afford
Clean up to 1,000,000 emails per list from $0.0002/check (up to 90% cheaper than legacy verifiers). Keep bounce rates strictly under 2%, block 100,000+ disposable signup domains, and pay $0 for Unknown results.
How Bulk Email Verification Works
Process massive lists in three simple steps. Safe, lightning-fast, and up to 90% cheaper than legacy providers.
Drag & Drop Any List Format
Upload your contacts via CSV, Excel (.xlsx, .xls), or plain text. Our system automatically detects the email column—no manual field mapping required.
Try it now – completely free
Enter any email address and see instant verification results
Try any email address to see instant verification results
Everything you need to verify emails
MailVeri offers a comprehensive suite of features designed to streamline your email verification process.
Bulk Verification (Up to 1M Rows)
Clean 100,000 prospects for $59 (down to $0.0002/check at scale)—up to 91% cheaper than ZeroBounce. Keep campaign bounces strictly under 2%.
Real-Time API & Native MCP
Verify signups at the point of capture via REST API, or let AI agents in Claude, Cursor, and n8n verify leads autonomously via mailveri-mcp.
100,000+ Burner Domain Shield
Stop disposable and temporary emails from abusing your SaaS free trials, draining your AI API tokens, or polluting your CRM.
Precision Catch-All Detection
Distinguish corporate catch-all domains from explicitly disabled mailboxes (550 5.2.1) so your cold outreach domains never get burned.
Role & Alias Normalization
Flag shared role accounts (info@, support@, admin@) and canonicalize Gmail/Proton dot and plus aliases to stop multi-account trial abuse.
100% Unknown Auto-Refund
Direct SMTP mailbox verification with zero-waste billing: you only pay for conclusive verdicts, and every UNKNOWN result is refunded 100%.
Built to solve your growth & deliverability bottlenecks
Whether you are scaling cold outreach, protecting free-trial AI tokens from burner signups, or automating GTM with AI agents.
Cold Email & Outbound Agencies
Verify 100K scraped Apollo or Clay leads for $59 (vs $649 on ZeroBounce) and keep bounce rates strictly below 2% on Instantly, Smartlead & GoHighLevel.
Explore Agency SolutionAI Startups & Indie Hackers
Shipping with AI is easy—getting customers is the bottleneck. Scale cold outreach without legacy markups and block 100K+ burner emails from draining AI trial credits.
Explore AI Startup PlaybookDevelopers & Agentic GTM (MCP)
Integrate single and 1M-row batch verification via REST API, HMAC webhooks, or our native Model Context Protocol server for Claude, Cursor & Windsurf.
View MCP & API DocsHow much will you save with MailVeri?
Slide to your estimated verification volume and see immediate savings vs. ZeroBounce.
Standard Pay-As-You-Go Packs
Pay once. Use whenever you need. Credits never expire.
Credits never expire
See all pricing optionsUniversal API & Platform Integration
Connect MailVeri to any tool or workflow. Clean emails automatically using ready-made templates for n8n, Make, Google Sheets, or integrate directly with our low-latency REST API & native MCP server.
Trusted by marketing teams
Join thousands of businesses who trust MailVeri to keep their email lists clean and deliverability high.
"MailVeri helped us clean a list of 100k subscribers in minutes. Our bounce rate dropped from 8% to under 1% immediately."
"The API is incredibly fast and easy to integrate. We use it to verify signups in real-time, which has completely eliminated fake accounts."
"We've tried other verification tools, but MailVeri offers the best accuracy for the price. The detailed reporting is a huge plus."
"The support team is amazing. They helped us understand our bounce issues and recommended the right cleaning strategy."
"Deliverability was our biggest headache. After using MailVeri, our emails are finally landing in the primary inbox instead of spam."
"Simple interface, great results. It does exactly what it says it does. The free credits to start were a nice touch."
Frequently Asked Questions
What is the meaning of each status in the report?
- VALID – Safe to send. The email exists and can receive messages.
- INVALID – Mailbox does not exist or is disabled.
- DISPOSABLE – Temporary email that will be deleted soon.
- ROLE_ACCOUNT – Email like info@, support@, admin@.
- CATCH_ALL – Domain accepts all emails but may not deliver.
- FULL_INBOX – Mailbox is full.
- UNKNOWN – Could not verify. Try again later.
Do you offer free credits?
Yes! When you register and confirm your email, you get up to 1,000 free credits.
Earn up to 10,000 bonus credits by spreading the word on social platforms.
Credits never expire.
What file types do you support?
- ✓ Excel files (.xlsx, .xls)
- ✓ CSV files
- ✓ Plain text files (.txt)
- Maximum file size: 100MB • Up to 1,000,000 emails per list
Do you send any emails during verification?
No, we never send emails.
Our verification process checks if a mailbox exists without sending any messages. This ensures zero impact on your sending reputation.
Ready to clean your email lists?
Join thousands of users who trust MailVeri to verify their emails. Start with 1,000 free credits today.