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One option and something I am using for my startup is to use Clearbit Risk (https://clearbit.com/risk https://clearbit.com/risk). It's an API where you give it
by threeseed 6y ago
One option and something I am using for my startup is to use Clearbit Risk (https://clearbit.com/risk https://clearbit.com/risk).
It's an API where you give it the user's email address and they tell you if they think it's real or not. I have it such that if it's not risky I bypass the "verify email" step.
Not sure how long the API will be around and it's pretty slow but for now at least it's free.