Block external forwarding in Exchange Online

External forwarding should always be disabled by default in any tenant, as it is commonly used by intruders to extract confidential emails from key individuals within the organization. Disabling this feature can help prevent unauthorized access to sensitive information and protect your business from potential security threats. One example of these malicious inbox rules could … Read more

Manage Calendar Permissions in Exchange Online via PowerShell.

PowerShell is often a more efficient and convenient way to perform tasks, especially when making multiple or frequent changes. This guide provides a quick example of how to manage user permissions in Microsoft 365 Exchange Online using PowerShell. Whenever the – User “Default” is selected it means that everyone has that permission unless anything else … Read more

How to Configure Daily End-User Spam Report For Exchange Online

The following is a quick and simple guide to show you how you can set up daily spam reports for your users. The first step is to access the Exchange administrator panel, it can be accessed via the following link: https://outlook.office365.com/ecp Go to “Spam Filter” under the section “Protection”. Select the default spam filter policy … Read more

How To Clear msExchMailboxGUID String From Exchange Online.

If you have been running a hybrid environment with your office licenses running in the cloud but you still have your Exchange server on-premise, you might be looking to migrate your mailboxes to Microsoft 365 Exchange Online. Note: This guide should not be followed if you’re using Hybrid Exchange to migrate mailboxes. There are plenty … Read more

Find External Email Forwarding rules in Microsoft365 Exchange Online

NOTE: This has been added as a GUI view in the new Modern Exchange Admin Center. https://admin.exchange.microsoft.com/#/reports/autoforwardedmessages I have encountered instances where mailbox rules were used to silently steal important data from users by forwarding their important emails to an external address. This is a common method of data theft, and it is important to … Read more