Email Validation Websites
kickbox.com
Verify your email list in minutes, or integrate real-time email verification into your app with our API. Over 5 billion emails verified. Get started for free.
88,248 
$ 151,920.00
centralops.net
Free online network tools, including traceroute, nslookup, dig, whois, ping, and our own Domain Dossier and Email Dossier. Works with IPv6. Some source code included.
108,408 $ 102,000.00
verifalia.com
Verifalia is a web-based email validation service which allows to upload and validate lists of email addresses.
107,415 $ 103,200.00