[Tadrill] Setup Procedures List (Google Workspace)

Target

• Customers using Google Workspace

Purpose

• This article explains how to set up and use Tadrill.

Notes

1. The content of this article is based on the product as of May 2026 and is subject to change without notice.
2. If you are using Microsoft 365, please refer to the following article.
   [Tadrill] Setup Procedures List (Microsoft 365)
3. Before deploying Tadrill, please review the reported issues and make any necessary preparations.
   Reported Issues Regarding HENNGE One
4. The Tadrill Alert / DMI features are included in the HENNGE One Pro Plan or Tadrill Standalone Plan.
   HENNGE One Basic Plan does not support these features.

Table of Contents

Preparation

1. Review notes before use
2. Check HENNGE One supported environment
3. [HENNGE One Pro / Tadrill Standalone Plan] Notify users about Tadrill Alert (Report Add-on) usage

Environment Setup

1. [HENNGE One Pro / Tadrill Standalone Plan] Configure DMI (Direct Message Injection)
2. Configure spam filter bypass
3. [HENNGE One Pro / Tadrill Standalone Plan] Install Tadrill Alert (Report Add-on)
4. Create users

Training Execution

1. Operation test
2. Design the first training
3. Create the first training email
4. Conduct the first training
5. Review the first training

Procedure

Preparation

1. Review notes before use
   Before starting the setup, please review the notes in the PDF document About Using HENNGE One.
2. Check HENNGE One supported environment
   Before starting the setup, please check the supported environment for HENNGE One.
   * Due to product specifications, some Tadrill features may not be available in certain mail applications. Please confirm in advance that your environment meets the requirements.
3. Notify users about Tadrill Alert (Report Add-on) usage
   *Only for HENNGE One Pro / Tadrill Standalone Plan contracts
   Inform end users that Tadrill Alert (Report Add-on) will be distributed and provide instructions on how to use it.
   • How to use Tadrill Alert to report suspicious emails (Google Workspace browser Gmail)
   • How to use Tadrill Alert to report suspicious emails (Google Workspace mobile Gmail)

Environment Setup

1. Configure DMI (Direct Message Injection)
   *Only for HENNGE One Pro / Tadrill Standalone Plan contracts
   This feature allows you to use the API to directly create training emails in users' mailboxes.
   * You can also use SMTP delivery instead of the DMI feature.
2. Configure spam filter bypass
   This setting prevents emails sent from Tadrill from being marked as spam.
3. Install Tadrill Alert (Report Add-on)
   *Only for HENNGE One Pro / Tadrill Standalone Plan contracts
   This setting distributes Tadrill Alert (Report Add-on) to Gmail for your entire organization.
4. Create users
   Register users in Tadrill either manually or by synchronizing with Google Workspace.
   * Customers with HENNGE One Basic Plan cannot use the user synchronization feature with Google Workspace.

Training Execution

1. Operation test
   This test confirms that training emails can be received and that reports can be submitted using Tadrill Alert (Report Add-on).
2. Design the first training
   Plan the content of the first training. This section also explains the process after the first training.
3. Create the first training email
   Create a training email for the first training session.
4. Conduct the first training
   Send the training email for the first training session.
5. Review the first training
   Review the results of the first training.
   * Customers with HENNGE One Basic Plan cannot view the [Summary] screen in [Training].