FullAccess Permissions in Exchange Online with additional information

In mid-March, I received an email from a reader (Sebastian) asking if it was possible to read out all full access permissions and then enrich this information with additional details. Specifically, it was about the department, meaning that the mailbox, authorized user, and the department of the authorized user should be output to a CSV …

Mark E-Mails external with Exchange Online External Sender Identification

For some time now, Exchange Online has offered the option of making external emails visible directly in Outlook as well as OWA and Outlook Mobile. This function is called quite unspectacularly “ExternalInOutlook”. In action the function looks like this: I have already published an article on the topic of email banners with Exchange Transport Rules …

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 OnPremises Hybrid Support Roadmap

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 …

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 …