G DATA 365 | Mail Protection

Open the Powershell. Enter the following command to install the Exchange Management Module:

Answer the queries with Y.

Start the connection with the following command:

Replace the user MaxMustermann@x-company.cloud with your user!

A login window will open. Enter your password here.

Continue with the point
Create connectors and rule using the Exchange Online PowerShell

Open the Exchange PowerShell and log in to Office 365 (You can find support for this under Extend Powershell for the connection to Microsoft 365).

Create a new outbound connector with the following command:

Create a rule with the following command:

At this replace x-company.cloud and x-company.onmicrosoft.com with your domain names.

Create a new inbound connector with the following command:

Open the Exchange Admin Center and log in.

Select E-mail flow and Connectors.

Click Next.

Click on + Add Connector.

Wählen Sie aus:

Then click Next.

Enter the name G DATA 365 Mail Protection and optionally a description. Tick the Checkbox Turn it on.

Click Next.

Select: Only when I have a transport rule set up that redirects messages to this connector.

Click Next.

Select: Route email through these smarthosts and enter the name mailprotection.gdata.de as smarthost. Add it to the smarthost list via +.

Click Next.

Select: Always use Transport Layer Security (TLS) to secure the connection (recommended) and Issued by a trusted certification authority (CA).

Click Next.

Create a list with at least one of your e-mail addresses per domain (add via +) and start a check of the Connector with regard to these e-mail addresses by clicking on Check.

This test should run without errors. If you encounter problems, please also refer to our indications for setting up the connector.

Click Next.

Check the setting in the summary and click on Create connector.

Click Finish.

Click + Add Connector.

Select:

Click Next.

Enter the name G DATA Mailprotection Inbound Secure Connector and optionally a description. Tick the Checkbox Turn it on.

Click Next.

Select By verifying that the IP address of the sending server matches one of the following IP addresses, which belong to your partner organization.

Enter the IP 194.156.84.32/28 and add it to the list with +.

Click Next.

Tick the checkbox for Reject e-mails if they are not sent via TLS.

Click Next.

Check the setting in the summary and click on Create connector.

Click Finish.

Open the page Advanced filtering.

Here you will find the inbound connector you have just created with Advanced filtering deactivated.

Click on the row of the connector G DATA Mailprotection Inbound Secure Connector. An editing window opens on the right-hand side of the screen.

Select the item Skip these IP addresses that are assigned to the connector:. Enter the IP range 194.156.84.32/28.

Select Apply to entire organization and click on Save.

Filtering for the connector is now displayed as On.

Switch to E-mail flow and Rules.

Click + Add Rule and select Create a new rule.

Enter Redirect to mailprotection.gdata.de as the name of the rule.

For Apply this rule if, select the following values from the pull-down menus:

The sender and is external/internal

A side window opens on the right-hand side of the screen.

Select the option Outside the organization and click on Save.

Add a new AND condition using the + and select these options from the pull-down menus: The recipient and Domain is.

Create a list of all domains to be checked by G DATA 365 | Mail Protection. If there are several domains, each domain must be entered individually and added to the list using the Add button.

Finally, click on Save.

Select the following values from the pull-down menus for Proceed as follows:

A side window opens on the right-hand side of the screen.

Select the G DATA 365 Mail Protection connector and click Save.

For Except if, select the following values from the pull-down menus:

A side window opens on the right-hand side of the screen.

Enter the following IP range there: 194.156.84.32/28 and click Save.

Click Next.

Specify the following settings for the rule:

Click Next.

Check the settings and click Finish.

Click on the row of the created rule in the Exchange Admin Center and activate the rule using the toggle switch in the window that opens on the right-hand side of the screen.