Zoho CRM Email Integration 535 Authentication Error

Zoho CRM Email Integration 535 Authentication Error [SOLVED]

In Zoho CRM, you can integrate your personal email to be used inside Zoho CRM. You need to go to Settings>Emails and do the integration. During the integration you may found the error of 535 Authentication Error.

This error is commonly experience by user who created TFA in their account.zoho.com. In order to solve this, you need to generate an app-specific password.