Exchange Online send mails with E-Mail alias

Long time, there was no way to change the send mail address from primary to alias mail addresses. So sending address was forced by administration. Even if users have multiple smtp-addresses there was no official way to accomplish this. January 2022 changed this statement, now it is possible to use the secondary mail address. More …

Exchange Server 2016 and 2019 receive June SU Security Update

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 …

Exchange 2019 2023H1 CU is here

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 …

Incoming mails as attached file if the mail is signed

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 …