I have a Spreadsheet in my Google Drive account with my own code which accesses my mails on Gmail, searches for unread, starred mails with a certain label and forwards this mail to different receivers.

This script runs every 5 minutes (time-based execution).

Now I just got the mail w.r.t. "New Gmail OAuth policies" which should go into effect January, 2019. Does this affect my code? Do I really have to submit every script I'm writing in my own Google account (placed in my Google Drive?). Or does this only affect people writing code which get's downloaded for execution by third party accounts?

I mean, this step really doesn't seem necessary if I'm coding on my own within my own Google account!?

  • Many people would like to know the answer to this question. It would be very simple and easy for Google to definitively provide an answer. It would be evil to intentionally leave out some information to make people fearful. And Google isn't evil, so that can't be the reason. They aren't stupid, so that can't be the reason for not telling us. Google probably wants to avoid a situation where they would be blamed for not warning people, so they just email everyone who has an apps script file on their Google Drive, whether the new policy will affect them or not.
    – Alan Wells
    Nov 13, 2018 at 16:35

1 Answer 1


I am in the same situation.

My little company gives a TV a google account, we add some scripts to that accounts GDrive, and our clients can then control pictures / videos / scrolling text that is displayed on the TV simply by sending an email. It is basic digital signage with no CMS software to access or learn.

I have hundreds of clients and they all got this message and of course all panicked.

I panicked as well.

This is what I think I have figured out.

Because it is gmail based I will see an unverified app warning when I set them up an and will have to go to the advanced tab to authorize it.

There is a limit of 100 users per app. Because I only have one user per gmail account there will be no issues.

If someone wants to have more than 100 users they have to get verified (FOR A FEE!!!) or asked to have the user quota raised.


Table from Google Dev Team

Quota limits

Quoted from another page buried deep within the bowels of this Google document trail:

Quote on: Who doesn't need to fill out this form?

Don't submit a review request if any of the following applies to you:

You'll only request OAuth tokens for your own accounts and not from external users.

You’re using the app to send emails through WordPress plugins or similar single-account SMTP usage.

Non-Apps Scripts Web Clients: If the users of your project belong to the same G Suite domain, and the project is associated with a Cloud Organization.

Apps Scripts: If the owner and users of your Apps Scripts belong to the same G Suite domain or customer.

You don’t need to fill out this form or go through the verification process. We recommend that you continue to use your app with the unverified app screen intact. See this FAQ for more details.

However, if you want to remove the unverified app screen, you will need to submit your app for approval." Quote Off.

So.... I am thinking correctly or is my stuff going to go BOOM in January?

  • Paul Wheeler

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