Target
- Administrators implementing Tadrill in conjunction with Microsoft 365
Purpose
- Prevents incorrect counting when training emails are opened due to Exchange Online's content block feature.
Notes
- The content of this article is based on the product as of September 2025.
Please note that updates or specification changes may occur without notice. - Administrator privileges for Tadrill are required to check the actual screen or change settings.
For instructions on how to access the administration, please refer to the following article.
[Tadrill] How to Access the Administration - This procedure changes the settings of users existing at the time the command is executed, so you need to run it every time you add users.
Therefore, it is recommended to execute the command immediately before conducting the training.
Preparation
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From the Tadrill administration, click [Email] in the left menu.
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Click [Add] at the top right of the screen.
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Select [Insert phishing URL in the mail body] and click [Proceed].
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From the templates displayed on the left side of the screen, select [For connection settings: Tadrill Domains / IP address].
- In the email composing screen, check the template item ■Domain (for Microsoft 365 "Safe Senders List" batch registration).
* This command will be used in the procedure below, so please keep this window open and proceed to the next step.
Procedure
- Connect to Exchange Online PowerShell.
Connect to Exchange Online PowerShell (external link) - Copy and execute the PowerShell command "■Domain (for Microsoft 365 'Safe Senders List' batch registration)" from step 5 of Preparation.
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Enter the following command.
Get-Mailbox -RecipientTypeDetails UserMailbox -ResultSize Unlimited | Get-MailboxJunkEmailConfiguration | Select Identity,Enabled,TrustedSendersAndDomains - Check that the domain specified in the command from step 5 of Preparation appears in the "TrustedSendersAndDomains" of the output.
* Some values may not be fully displayed.