Turn Gmail delegation on or off

People in your organization may want to give access to their Gmail account to another person or to a Google group. Mail delegation lets delegated users read, send, and delete messages on the account owner's behalf. For example, executives can delegate Gmail access to an administrative assistant.

As an administrator, you decide whether to make delegation available to people in your organization. After you turn on delegation, your users can go to their Gmail settings to assign delegates.

When you use Gmail delegation in your organization, keep in mind:

  • A Google group counts as one delegate toward the limit.
  • Gmail accounts with delegated users or groups have the standard Gmail account limits and policies.
  • To let users delegate their account to users in another organizational unit, delegation must be turned on for both organizational units.
  • You can also delegate users or groups in Google Calendar and Google Contacts.

Delegation limits

A Gmail account supports up to 1000 delegates. With typical use, 40 delegated users can access a Gmail account at the same time. Above-average use by one or more delegates might reduce this number. Automated processes that frequently access Gmail might also reduce the number of delegates who can access an account at the same time. These processes include APIs or browser extensions that access Gmail frequently.

Turn Gmail delegation on or off

By default, the Gmail delegation admin setting is off. 

  1. Sign in to your Google Admin console.

    Sign in using your administrator account (does not end in @gmail.com).

  2. In the Admin console, go to Menu ""and then"" Appsand thenGoogle Workspaceand thenGmailand thenUser settings.
  3. To apply the setting to everyone, leave the top organizational unit selected. Otherwise, select a child organizational unit.

  4. Next to Mail delegation, point to the setting and click Edit "" .

  5. Check the Let users delegate access to their mailbox to other users in the domain box.

  6. (Optional) To let people in your organization select the sender information that's included in their delegated messages, check the Allow users to customize this setting box.

  7. (Optional) To let people in your organization give access to their Gmail to a Google Group, check the Allow users to grant their mailbox access to a Google group box.

  8. Select an option for the sender information that's included in messages sent by delegates: 
    • Show the account owner and the delegate who sent the email—Message headers include the email addresses of the Gmail account owner and the delegate.
    • Show the account owner only—Message headers include the email address of the Gmail account owner only. The delegate email address is not included.
  9. Click Save.

It can take up to 24 hours for changes to take effect.

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