Exchange Server 2016 and 2019 receive June SU Security Update

by A.K.common, Microsoft Exchange ServerPosted on No Comments

Some days ago Microsoft released another SU Security Update for Exchange 2019 and 2016. See the original article from Exchange Team The June 2023 SUs address vulnerabilities responsibly reported to Microsoft by security partners and found through Microsoft’s internal processes. Although we are not aware of any active exploits in the wild, our recommendation is …

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Exchange OnPremises Hybrid Support Roadmap

by A.K.Microsoft Exchange ServerPosted on No Comments

Some days ago Microsoft a new roadmap for supported Exchange szenarios in hybrid environment considering mailflow traffic. There are some news about the so called Throttling dates (when Exchange Online begins to reject some messages from older Exchange OnPrem versions). See the original post and the roadmap here.This behavior is communicated already in March 2023 …

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Exchange 2019 2023H1 CU is here

by A.K.common, Microsoft Exchange ServerPosted on No Comments

After nearly one year Microsoft released another CU for Exchange 2019 Onpremises. Exchange 2016 receives security updates only. See the link to the official announcment here. Exchange Server 2019 Cumulative Update 13 (KB502099), VLSC Download, Download Installation was quite simple, but there is a schema upgrade to be done. If you want to execute this manually you …

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Incoming mails as attached file if the mail is signed

by A.K.common, Microsoft Exchange ServerPosted on One Comment

Some time ago I configured an external E-Mail banner which works like a charm. After setting up there was one issue with incoming, signed mails, because these were “attached” as file to an mail with the new email banner. If you like to setup the email banner see this blogpost. To create a workaround (not …

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Exchange Server March 2023 Security Update SU

by A.K.common, Microsoft Exchange ServerPosted on No Comments

Microsoft published another Exchange Security Update for all supported versions of Exchange Server. See the Exchange Team Blog. Procedure for updating is not changed, just have a look at the picture below. Here are the official Download Links: One interesting fact is the CVE for Outlook: CVE-2023-23397In addition to the CVE Microsoft created a script …

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