The ramblings of a computer geek
So you created an Exchange Online User and Mailbox but you’re still in a hybrid configuration where you are managing Exchange mailboxes on-premise. What this means is that the on-premise Exchange Organisation has no idea that the user exists, it doesn’t appear in Exchange Admin Center and it also probably won’t appear in the GAL. … Read more
We are currently going through a migration from on-premise Microsoft Exchange servers to Microsoft Exchange Online (Microsoft 365). We needed to determine what ActiveSync clients were in use to be able to provide guidance to users of what to do. So I wrote a simple script that retrieves all the mailboxes (that are enabled) and … Read more
As a test we are using OpenSSL to perform some credentials testing using an Enterprise Application configured in Microsoft 365 to connect using IMAP(S) and SMTP via OpenSSL to validate how OAuth modern authentication works. Create Enterprise Application Firstly we create an Enterprise Application, we are going to be using Win64 OpenSSL v3.3.3 Light on … Read more