Ask HN: Why does adding ‘+FB’ to an email still deliver to the original address?

If you send an email to the address ‘hn+fb@gmail.com’, which doesn’t exist, the email will still be delivered to the original address ‘hn@gmail.com’. Why and how is that possible? I think for this to work, the email address should first be used on a Facebook account.”

Comments URL: https://news.ycombinator.com/item?id=41250605

Points: 1

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