Block external forwarding in Exchange Online

External forwarding should always be disabled by default in any tenant.This feature is most often used by intruders wanting to extract certain type of confidential email from key people in the organization. One example of these malicious inbox rules could be the following: After the message arrives and…. The message includes specific words in the … Read more

Manage Calendar Permissions in Exchange Online via PowerShell.

It is often faster and easier to accomplish tasks via PowerShell, especially if you’re doing a lot of changes or you do them often. This post will just be a quick guide / example of how you can manage permissions for your users in your Microsoft 365 Exchange Online environment. Whenever the – User “Default” … 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