southern writes:  

Normally after user registration, we have send email at user register email address for confirm his or her email address. Once User has click on email confirmation link then after that user registration process has been completed with email verification.

But in this post, we have use OTP (One Time Password) method for verify registered user email address. Email verification is a very required process for check registered user has enter right information at the time of registration and it is also useful to prevent spam registration at our web application. For this reason verify user identity, we have to verify his or her email address. In this OTP method, If User has provide us genuine email address then on that email address our system will send one email confirmation email with OTP number. User has to just copy that OTP number and enter in email verification page which will be load after submitting registration form data. In that web page, User has to enter OTP number and submit form. After submitting form user email address will be verified.

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