How to Enable the Unintended Reply Warning for Google Workspace Users

Quick and easy-to-follow guide for Google Workspace administrators

What is the Unintended reply warning setting

You can have Gmail display a warning message when Google Workspace users reply to someone who is not in their contacts at https://contacts.google.com.

When Contact sharing is enabled, as shown here, Google Workspace accounts’ contact info is shared among all users.

Combined, these two settings make a great way to ensure users don’t send a sensitive message to someone outside your organization by mistake.

When to enable the Unintended reply warning setting

When you are wary about Google Workspace users sending emails externally

How to enable unintended reply warning in Google Workspace step-by-step with images

Step 1

In the Admin console at https://admin.google.com, click the Apps icon.

Step 2

Select Google Workspace.

Step 3

Click Gmail. Make sure not to check the box to the left; just click the service.

Step 4

Select End User Access.

Step 5

Under Organizational Units, select the OU with the users whose settings you want to update. The same updates will apply to all sub-OUs under the OU you choose.

By default, if you don’t select an OU, you will add your setting to the top OU, named after your domain. This way, you will apply changes to all users in your account.

You can search for an OU to find it faster if you have a large OU structure.

If you’re not familiar with OUs, click here.

Step 6

Select Warn for external recipients.

Step 7

Check the box to enable it.

Click SAVE in the bottom right. It may take up to 24 hours to activate.

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Enable Warnings for Unintended Email Replies

Have a warning show up when users reply to an unfamiliar email address.

Enable Enhanced Gmail Message Scanning

Add enhanced scanning for suspicious content in Gmail for better security.

Set up TLS Compliance Rules

Enforce a secure (TLS) connection with encryption for emails to and from specific domains.

Designate an Alternate Secure Route for TLS Compliance

Set up an alternate secure route when the TLS compliance setting above fails to apply.

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