Third party app sending emails on behalf of user

Problem

A third party app is sending emails on behalf of an account.

Environment

  • Gmail

Solution

  1. Disconnect the third party app causing the problem.
  2. Go to the Security section of your Google Account.
  3. Under Third-party apps with account access, select Manage third-party access.
  4. Select the app or service you want to remove.
  5. Select Remove Access.