Relevant products: Exclaimer Cloud - Signatures for Office 365
Emails sent from an internal user to another internal user do not receive a signature or are not routed to Exclaimer Cloud.
Undeliverable journal reports are being sent to an internal mailbox and this has a side-effect of causing some unexpected mail routing.
To resolve this issue, you need to specify a dedicated mailbox, as the recipient for Journal Report NDR messages, in Office 365 using the Windows Powershell.
To Install the Exchange Online PowerShell V2 module:
Open the Windows PowerShell and run this command as an Administrator:
Confirm that you want to install this PowerShell module.
To connect to Exchange Online:
- If you have Multi-Factor Authentication enabled, run this command:
In <UPN> enter your username.
- If you don't have Multi-Factor Authentication enabled, run this command:
When prompted, enter your password (and the Multi-Factor Authentication verification code if required).
To specify a dedicated mailbox:
Run the following command:
<firstname.lastname@example.org> is the email address of the user.