Yeah, and then you wind up sending mail to "joe@hotmailcom" or "liz@gmailc.om", ... | Hacker News

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saucetenuto on May 24, 2013 | parent | context | favorite | on: Stop Validating Email Addresses With Your Complex ...

Yeah, and then you wind up sending mail to "joe@hotmailcom" or "liz@gmailc.om", and your users don't get your messages and are sad. Don't validate the local part, do validate the domain.

claudius on May 24, 2013 [–]

Especially since this is extremely easy to do, it’s just three DNS queries away (plus one in case of CNAMEs).

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