+10.552 users
Changed, fast , and safe email validation service
Email Validation API: Clean Lists, Boost Deliverability & Maximize ROI.Remove fake emails and spam users from your email lists.
Alexandra Kim
2 days ago
I've been using the service for our email validation and it's been incredibly reliable. The interface is intuitive, and we've seen improved delivery rates by 40% since we started using it.
Michael Chen
2 days ago
I've been using the service for our email validation and it's been incredibly reliable. The interface is intuitive, and we've seen improved delivery rates by 40% since we started using it.
Laura Martinez
2 days ago
I've been using the service for our email validation and it's been incredibly reliable. The interface is intuitive, and we've seen improved delivery rates by 40% since we started using it.
Maria González
about 1 hour ago
I've been using the service for our email validation and it's been incredibly reliable. The interface is intuitive, and we've seen improved delivery rates by 40% since we started using it.
Michael fsa
2 days ago
I've been using the service for our email validation and it's been incredibly reliable. The interface is intuitive, and we've seen improved delivery rates by 40% since we started using it.
Michael asf
2 days ago
I've been using the service for our email validation and it's been incredibly reliable. The interface is intuitive, and we've seen improved delivery rates by 40% since we started using it.
Michael Cheafsdan
2 days ago
I've been using the service for our email validation and it's been incredibly reliable. The interface is intuitive, and we've seen improved delivery rates by 40% since we started using it.
“Mails.so delivers all we need in an email validation service: top security, scalability, performance, and extensive integrations”.
A happy customer, probably
What does mails.so exactly do?
tl;dr — Remove invalid recipients, block fake users and bots, prevent fraud, and help you save money.
Format Check
Format Check
Format Check
Format Check
Format Check
Place us after your sign up forms and landing pages. We' ll make sure you only get real users.
2-3% of users make spelling mistakes
3-4% make up their address on signup
~2% are spam signups with fake addresses
~1% use temporary or catch-all addresses
Use cases for mails.so
If you're running a newsletter, an e-commerce, a SaaS, or marketing campaigns, mails.so is for you.
Email Marketing
Protect you from emailing non-existent addresses, which can increase your bounce rate & damage your reputation.
Email Marketing
Protect you from emailing non-existent addresses, which can increase your bounce rate & damage your reputation.
Email Marketing
Protect you from emailing non-existent addresses, which can increase your bounce rate & damage your reputation.
Get started with 90% off first month
All paid plans include API access and list validation. Need extra validations? No problem. We have got you covered.
Enterprise
$1899 per month
Enable list validation
Cancel anytime
99.99% Guaranteed Uptime SLA
Dedicated Customer Success Manager
24/7 Customer Support
Custom validation rules
API access
Unlimited validations
Unlimited
$49.8 per month
Enable list validation
Cancel anytime
API access
Unlimited validations
24/7 Customer Support
50,000 emails per validation
10 concurrent list validations
Business
$9.8 per month
Enable list validation
Cancel anytime
API access
50,000 validations per month included
$0.002 per extra validation
Pro
$4.8 per month
Enable list validation
API access
10,000 validations per month included
$0.005 per extra validation
Frequently Asked Questions
Can't find the answer you're looking for? Don't hesitate to get in touch with our customer support team.
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