Sendmail and postfix both allow you to configure that. I have my mail set up so ... | Hacker News

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		__david__ on March 8, 2019 \| parent \| context \| favorite \| on: 800M Email Addresses Leaked Online by Email Verifi... Sendmail and postfix both allow you to configure that. I have my mail set up so '+', '.', and '_' all work the same. I've never seen any site deny the '.' or '_' character.

Ayesh on March 8, 2019 [–]

If you run your own mail server, you can simply catch-all. The + trick is for the rest.

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