nomoat / Verimail / Alternatives

Alternatives to Verimail

Verimail: Check whether email addresses really exist, one at a time or as a whole list, and see why each one passed or failed. Here is 1 other product that do a similar job. Of these, 1 has a free plan.

emailvalidation.io
Checks single addresses or whole lists for syntax, mail server and mailbox problems, by upload or API, with an email finder too.
Free plan · Email marketing