One Security Check Most Devs Forget in Their Signup Flow
Автор: Code With Joel
Загружено: 2025-05-19
Просмотров: 135
Описание:
Most developers validate email format, maybe even send a confirmation email — but they forget about this: blocking disposable emails.
In this video, I’ll walk you through a simple but powerful backend feature we recently implemented at work. I’ll explain:
What disposable emails are (TempMail, Mailinator, 10MinuteMail, etc.)
Why they’re a real problem for SaaS apps and solo projects
How to block them in Node.js using Express and a public blocklist
Why you should apply this check on both signup and email updates
You’ll get a complete working demo with clear explanations — no fluff.
🔗 Resources mentioned:
→ Blocklist repo: https://github.com/disposable-email-d...
→ Download raw list: https://raw.githubusercontent.com/dis...
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