How to Generate and Send OTP through Email on Your Website

Introduction

• This video tutorial focuses on generating and sending OTPs (One-Time Passwords) via email from a website.
• Prerequisite: Knowledge from the previous video on sending emails using Nodemailer.

Setting Up the Project

1. Open the Terminal: Start the application.
   • Ensure the server is running properly.
2. UI Changes: Only require email address input.
   • Remove irrelevant fields such as subject and message.
   • Update front-end forms to reflect these changes.

Working with Backend

1. Open Backend Code: Modify to send OTPs.
   • Use Nodemailer functions from previous video.
2. Generate OTP: Create a separate file for OTP generation.
   • Use npm package for OTP generation.
   • Implement OTP generation function in a new file.

OTP Generation Process

1. Install OTP Package: Command to install OTP generator.
   • Command: npm install otp-generator
2. Import OTP Generator: Require the package in the code file.
   • Create a function to generate the OTP.
   • Example commands and implementations provided in the tutorial video.

Integrating OTP with Email

1. Call OTP Function in Email Sending Logic: Store and send OTP.
   • Modify Nodemailer settings to include OTP in email content.
2. Testing: Run the server and perform checks via temporary email addresses.
   • Ensure email with OTPs are received correctly.
3. Advanced Options: Customize OTP settings.
   • Options such as length, inclusion of alphabets, special characters, etc.
   • Modify as per requirements and retest.

Conclusion

• Summarized the process of integrating OTP generation and sending via email using a website backend.
• Call to action for queries, likes, shares, and subscriptions.

Additional Notes

• Importance of proper setup and testing.
• Customizable options in OTP generation for enhanced security and flexibility.