Target
This article is intended for administrators who perform the initial setup of Tadrill.
Purpose
This guide explains how to set up connection filters in Microsoft 365 to ensure that emails sent from Tadrill are not marked as spam.
Notes
1. The contents of this article are based on the product specifications as of June 2024 and may change without notice due to updates or specification changes.
2. To perform these steps, you will need the global administrator account information (username and password) for your Microsoft 365 tenant.
3. The settings values are displayed within the Tadrill management console, so please have an account that can log in to the Tadrill management console. For the initial login, only the primary administrator specified during the application process can log in to Tadrill.
Detailed Instructions
1. Access the following page with your Microsoft 365 administrator account.
https://security.microsoft.com/antispam (Microsoft Defender - Policies and rules - Anti-spam policies)
2. Click on [Default connection filter policy]. (Click on the text part.)
3. Click on [Edit connection filter policy].
4. Follow the steps below to confirm the IP addresses and add them to the "Always allow messages from the following IP addresses or address range:" field.
How to confirm IP addresses
4.1. Log in to the Tadrill management console.
4.2. Click on [Mail] in the left menu.
4.3. Click on [Create] at the top right of the screen.
4.4. Select [Insert phishing link] and click [Next].
4.5. From the templates displayed on the left side of the screen, select [For connection settings: Tadrill domain / IP address].
4.6. Refer to the IP addresses (2 entries) displayed in the email creation screen.
Note: Enter each IP address one by one, and they will appear as suggestions. Click on them to add.
5. Click on [Save].
Note: When saving the edited connection filter policy, the following message may appear, preventing you from saving:
"The command you tried to run isn't currently allowed in your organization. To run this command, you first need to run the command Enable-OrganizationCustomization."
In that case, please run the Enable-OrganizationCustomization command in PowerShell.
Note: It may take up to 60 minutes to reflect the changes.