Exchange Security Updates – March 2023

It has been Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released earlier this week with the March 2023 Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security … Read more

Exchange Security Updates – February 2023

It has been Patch Tuesday again and Microsoft has released a new set of important Exchange Security Updates, released earlier this week with the February 2023 Microsoft Updates. It is important to keep Your Exchange Servers up-to-date, see the blog post from the Exchange Team on this: Protect Your Exchange Servers The latest Exchange Security … Read more

How to fix the error: 550 5.7.520 Access denied, Your organization does not allow external forwarding

I have often seen this error in scenarios with either multiple tenants or if an organization, has a need to do automatic forwarding of e-mails to specific recipients outside the organization (tenant). The error can be found during troubleshooting the message logs, on why a specific e-mail did not arrive at its destination, or if … Read more