Bulk email list cleaning
Protect your sender reputation keeping your lists free from spam traps, bounces, disposable and catch-all emails.
Integrates with your favorite tools
Upload your list from any source
If you're running a newsletter, an e-commerce, a SaaS, or marketing campaigns, mails.so is for you.
Validate lists uploading CSV, Excel, or plain text files
Validate lists from MailChimp, HubSpot, or any other marketing tool
Validate email lists programmatically via bulk validation API
Understand your email list results
We give you insights and statistics about your email list, so you can make better decisions. You will also be able to inspect the results, see the reason some addresses are invalid, and download the good ones.
Export your clean email lists
After validating your list, export your filtered list to only include the clean addresses, in the format that you prefer.
What else is included for your business' lists
If you're running a newsletter, an e-commerce, a SaaS, or marketing campaigns, mails.so is for you.
Human support always available to help you with everything you need
The most affordable pricing in the market, with no hidden fees
Reliability
Reliable service you can trust, with a 99.9% uptime record
Get started with 80% off your first month
All paid plans include API access and list validation.
Need extra validations? No problem. We've got you covered.
Enterprise
per month
- Enable list validation
- Unlimited validations
- 99.99% Guaranteed Uptime SLA
- Priority support
Unlimited
per month
- Enable list validation
- Unlimited validations
Business
per month
- Enable list validation
- 50,000 validations per month included
- $0.002 per extra validation
Pro
per month
- Enable list validation
- 10,000 validations per month included
- $0.005 per extra validation