Questions
In a Microsoft 365 environment, how can I forward only emails sent from specific members or groups to HENNGE Email DLP?
Answer
By following the steps below, you can forward only emails sent by specific senders to HENNGE Email DLP.
Create a Distribution List
1. Access the Exchange Admin Center.
https://admin.cloud.microsoft/exchange
2. Select [Recipients] - [Groups].
3. Select [Distribution List].
4. Select [Add Group].
5. Check [Distribution] and press [Next].
6. Enter a group name and press [Next].
7. Click [Assign Owner], specify the user to be the admin, and then press [Next].
8. Click [Add Members], add the senders you want to route through HENNGE Email DLP, and then press [Next].
9. Set the group's email address and select Closed for [Joining the group].
10. Select Closed for [Leaving the group] and press [Next].
11. Review the settings and press [Create Group].
12. Press [Create group].
The distribution group is created.
※ It may take about an hour for the group to appear.
Create a Send Connector
1. Create a send connector.
For detailed creation steps, please refer to steps 1 to 10 in the following article.
Email DLP Connection Work (Microsoft 365)
Create a Transport Rule
1. Select [Exchange Admin Center] - [Mail Flow] - [Rules] - [Add a rule] - [Create a new rule].
2. Set the conditions for the rule in the order below and click [Next].
| Item | Setting Value | Description |
| Name | Rule for HENNGE Email DLP | - |
| Apply this rule if | ・[The sender] ・[Is a member of this group] - Specify the created distribution group |
- |
| Apply this rule - and | ・[The recipient] ・[Is external/internal] - Specify [Outside the organization] |
* To set this, click the [+] to the right of [Apply this rule*] and add rule conditions. |
| Do the following | ・[Redirect the message to] ・[The following connector] - Select [HENNGE Email DLP] |
- |
| Except if | ・[The message headers...] ・[Includes any of these words] - Enter "from" in [Enter text] ・Enter "noreply@mo.hdems.com" in [Enter word] |
After selecting [Message header...] - [Includes these words], click [Enter text] and [Enter words] displayed at the bottom of the screen to enter the setting values. |
| Except if - or 1 | ・[The message properties] ・[Include the message type] - [Select message type] - [Read receipt] |
* To set this, click the add button [+] for [Except if] and add rule conditions. |
| Except if - or 2 | ・[The sender] ・[Domain is] - [Specify domain] - Enter "onmicrosoft.com" |
* To set this, click the add button [+] for [Except if] and add rule conditions |
* Below is an image of the settings.
3. Refer to the following article for the subsequent transport rule settings.
For the subsequent tasks, please refer to the settings procedure from step 14 onwards in the following article,
Email DLP Connection Work (Microsoft 365)