Last week Microsoft released the 2023 H1 for Exchange Server 2019, also known as CU13. It is the first major CU since the CU cycle was changed last year. As always 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 Cumulative Update (CU13) is only available for the following Exchange Servers: See the list of supported and unsupported …
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 Updates address vulnerabilities found in the following Exchange Servers: For more about the vulnerabilities, see the CVEs: The Security Update …
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 Updates address vulnerabilities found in the following Exchange Servers: For more about the vulnerabilities, see the CVEs: The Security Update …
Once again, we have got some new and important Exchange Security Updates, released with the January 2023 Microsoft Updates, a few weeks back. Even though the latest Exchange Security Updates are now a few weeks old – it is more important than ever, to make sure your Exchange environment is up-to-date. Just see the latest post from the Exchange Team on this: Protect Your Exchange Servers Microsoft is also interested in knowing how customers update …
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 the end users got the error when their e-mail bounces. Remote Server returned ‘550 5.7.520 Access denied, Your organization does …