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 …

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Exchange Security Updates – May 2022

Once again, we have some important Exchange Security Updates, released with the May 2022 Microsoft Updates. The latest Exchange Security Updates address vulnerabilities found in the following Exchange Servers: Exchange 2013 Exchange 2016 Exchange 2019 For more about the vulnerabilities, see the CVEs: CVE-2022-21978 | Microsoft Exchange Server Elevation of …

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The latest news on Exchange Server and the removal of the last Exchange Server

Last week Microsoft announced a few major changes to the Exchange Server 2016 and 2019 versions. This post is meant as a small overview of the changes announced. Change to Exchange Hybrid and about keeping the last Exchange Server on-prem More about this in my post below Change to the …

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