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OAuth support required for G Suite by Jun 2020

Google just sent out a notification that they will be turning off access to “less secure apps” which use only a username and password to access a G Suite account progressively from June 15, 2020 for new connections and then by Feb 15, 2021 for all G Suite accounts.

The only way to access a G Suite account will be via OAuth - they instruct developers to add OAuth support before those dates.

This will be critical for us to continue using HelpSpot - all our email is hosted on G Suite.


Starting February 15, 2021, G Suite accounts will only allow access to apps using OAuth. Password-based access will no longer be supported.

Dear Administrator,

We’re constantly working to improve the security of your organization’s Google accounts. As part of this effort, and in consideration of the current threat landscape, we’ll be turning off access to less secure apps (LSA) — non-Google apps that can access your Google account with only a username and password, without requiring any additional verification steps. Access through only a username and password makes your account more vulnerable to hijacking attempts. Moving forward, only apps that support a more modern and secure access method called OAuth will be able to access your G Suite account.

Access to LSAs will be turned off in two stages:

  1. June 15, 2020 - Users who try to connect to an LSA for the first time will no longer be able to do so. This includes third-party apps that allow password-only access to Google calendars, contacts, and email via protocols such as CalDAV, CardDAV and IMAP. Users who have connected to LSAs prior to this date will be able to continue using them until usage of all LSAs is turned off.
  2. February 15, 2021 - Access to LSAs will be turned off for all G Suite accounts.

What do I need to do?

To continue using a specific app with your G Suite accounts, users in your organization must switch to a more secure type of access called OAuth . This connection method allows apps to access accounts with a digital key instead of requiring a user to reveal their username and password. We recommend that you share the user instructions (included below) with individuals in your organization to help them make the necessary changes. Alternatively, if your organization is using custom tools, you can ask the developer of the tool to update it to use OAuth. Developer instructions are also included below.

We will be adding support for OAuth authentication before this deadline so you will be able to continue to use HelpSpot with Google mailboxes without issue.