Discussion on "Why Nodemailer Works on Localhost but Fails on Render — And How to Fix It Using the Gmail API"

Kuldeep Chaudhary · 2026-05-07T21:13:22.672Z

Introduction : I recently deployed a Node.js backend for one of my full-stack projects on Render. The application used Nodemailer and Gmail App Passwords to send OTP and verification emails. Everythin

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Why Nodemailer Works on Localhost but Fails on Render — And How to Fix It Using the Gmail API

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