Would this approach not be a perfect storm for spam/dos? Imagine a URL that ingests these email addresses, say https://thewebsite.com/api/signup_step1?email={insert}. What's stopping someone from downloading a list of 306 million email addresses and sending them all to that URL?
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Would this approach not be a perfect storm for spam/dos? Imagine a URL that ingests these email addresses, say
https://thewebsite.com/api/signup_step1?email={insert}. What's stopping someone from downloading a list of 306 million email addresses and sending them all to that URL?