Secure Messages Gmail add-in

The Secure Message Gmail add-in secures outbound email messages with attachments when sent by any of your device users via their Google Workspace account. Alternatively, secure messages can be sent, received, and managed directly from the Secure Message portal.

note

Sending a message using the Secure Message Gmail add-in is optional. To send a secured message, see Using the Gmail add-in.

Supported platforms

The Secure Messages Gmail add-in is compatible with both the web and mobile platforms of Gmail.

Prerequisites

The Email Security module and Secure Messages add-on must be enabled on your workspace in order to use the Secure Messages Gmail add-in.

Installing the Secure Messages Gmail add-in

You can install the add-in simultaneously for all of your current device users directly from the Coro console.

To install the Secure Messages Gmail add-in:

  1. Sign in to the Coro console and select Control Panel from the toolbar:

    Control Panel

  2. Select Email Security :

    Email Security

  3. Select the Secure Messages tab:

    Secure Messages

    note

    The Secure Messages tab is only enabled if the Secure Messages add-on is enabled for your workspace.

  4. Select Install for Gmail:

    Install

    The Google Workspace Marketplace webpage appears.

Admin install

  1. MSP admin users with sufficient permissions can select Admin install to install the Secure Message Gmail add-in for all device users simultaneously:

    Admin install

  2. Review the terms of service and privacy policy. Select CONTINUE to proceed with the installation:

    Admin install terms of service

  3. Select whether to install the Secure Message Gmail add-in for Everyone in your organization or Certain groups or organizational units
  4. Review the application's terms of service, privacy policy, and Google Workspace Marketplace's terms of service. Select FINISH to start the installation

    Google Workspace Marketplace's terms of service

    The installation starts.

    After the installation completes, a message appears informing you that the Secure Message Gmail add-in was successful:

    Installation complete

  5. Select DONE to complete the installation process.

Individual install

  1. Device users can select Individual install to install the Secure Message Gmail add-in for their Google Workspace account:

    Individual install

  2. Review the request for the Secure Message Gmail add-in to access your Google Workspace account. Select Allow to proceed with the installation:

    Individual install access request

    The installation starts.

    After the installation completes, a message appears informing you that the Secure Message Gmail add-in installation was successful:

    Installation complete

  3. Select DONE to complete the installation process.

Using the Gmail add-in

Device users and MSP admin users can utilize the Secure Messages Gmail add-in directly from their Gmail environment when:

  • Composing a new message
  • Replying to a message
  • Forwarding a message

To enable the Secure Messages Gmail add-in from Gmail:

  1. Enter the recipients, subject, message, and any necessary files while composing, forwarding, or replying to a message.
  2. Select Secure Messages from the bottom toolbar:

    CoroMail

    Review and grant any required permissions.

    A preview of the message the Secure Messages for Gmail window appears:

    Install

  3. Select Send Encrypted

    If you are on the the Protected users list, the following message appears, and the message is securely sent via the Secure Messages Gmail add-in:

    Gmail success

    If you are not on the Protected users list, the following message appears, and the message is not sent:

    Gmail failed

For further information, see Secure Messages.

Reinstalling the Secure Messages for Gmail add-in

If you experience issues with the Secure Messages for Gmail add-in (for example, selecting the Report Phishing button not resulting in tickets in the Coro console), reinstalling the add-in can solve the issue. Before you reinstall the Secure Messages for Gmail add-in, you must uninstall it. You need to have sufficient permissions to uninstall and reinstall the Secure Messages add-in.

To uninstall the Secure Messages for Gmail add-in:

  1. In your browser go to https://www.google.com/ and sign in to your Google account.
  2. From your Google Avatar, select Manage your Google Account to access your account settings.
  3. In the left-hand side navigation pane, select Security .
  4. Select Your connections to third-party apps & services .
  5. Select Coro for Gmail .
  6. Select Delete all connections that you have with Coro for Gmail .
  7. Select Confirm.

To reinstall the add-in:

If the reinstall was to fix an issue, to rule out any local issues, you can also try installing the add-in on a different user account and device.