How To Fix 535 Authentication Failed On Zoho?

Why does 535 authentication failed zoho? If you are confused about this error, read this article to know why and how to fix it easily.

If you have enabled Two Factor Authentication (TFA) for your Zoho Mail account, then you must use application specific passwords. Application specific passwords are required to set up your Zoho Mail account on any external email client.

So, generate and update an application specific password on your email client to send emails without any issues. If you wish to generate an application specific password, look into the following instructions.


If you have opted for two-factor authentication for your account, you need to provide the application specific password when you access your account using POP/IMAP or Active sync. Follow the below instructions to generate an app-specific password. Continue to read the following steps to fix 535 authentication failed Zoho.

  • Step 1:Log in to your Zoho account.
  • Step 2:In the left menu, select Security and click App passwords.
  • Step 3:Now, click Generate New Password.
  • Step 4:When you are asked to provide the name of your application for reference, enter the correct name and click the Generate button.
  • Generate Application-specific Passwor
  • Step 5:Now, the application specific password will be generated, and you can use it to log in from one application.
  • Generate Application-specific Password


  • step 1:The generated password will not be displayed again for security reasons.
  • step 2:Make sure you enter the provided password without leaving any spaces.
  • step 3:If you want, you can delete the generated password when you no longer use that particular device or application. You can even delete the password if you like to revoke access to that application.

After generating the password, check if the “535 Authentication Failed Zoho” issue disappears. If the problem continues, contact us so we can guide you further. You can make use of the call option on this page for the purpose.

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