Choose EmailListVerify if you want to check addresses on credits that never expire, without a subscription. Choose Mailgun if you are a developer who needs to send application mail by API. Both offer a free plan. EmailListVerify then bills paid plans one time, while Mailgun bills them by the month.
A marketer about to send to an old list gets a clear job from EmailListVerify. Known spam trap addresses get caught before a campaign goes out, which protects the sender's standing. A prospecting team can also look up a missing address using only a contact's name and employer website. Some users find large lists slow to process and the cost hard to justify at high volume.
Developers wiring mail into an application are the people Mailgun serves. The service sends receipts and password resets, and it parses inbound replies and routes them into the application. Inbox placement testing and previews of a message across many inbox clients sit under the same login, rather than with a separate vendor. Some users report an account or domain disabled or locked with little explanation.
EmailListVerify's users praise how easy bulk cleaning is and how low the starting cost stays. They say it catches invalid and disposable addresses and lowers bounce rates. They complain that the interface looks dated and that catch-all addresses stay unresolved. Mailgun's reviewers like fast support and easy integration, and they say mail is delivered well. Some find support slow on setup or account problems.
EmailListVerify tells of a marketing agency serving local businesses that checks addresses through the API within its cold outreach. The agency fully automated its outreach and client acquisition. One Mailgun customer, an ecommerce marketing platform serving many brands, uses it for email delivery infrastructure and domain verification at scale. That customer removed the domain verification email flow entirely.