I like the approach of accepting anything that is a reasonable length with an`@`, but suggestinging corrections for possibly misspelled common domains. https:/

I like the approach of accepting anything that is a reasonable length with an`@`, but suggestinging corrections for possibly misspelled common domains. https://github.com/mailcheck/mailcheck https://github.com/mailcheck/mailcheck If you really need to validate, the only way I know how is to send them an email and click a link to confirm.