In today’s post, I would like to tell you about the S/MIME certificate. I will explain what we can use it for. I would like to show you how to generate such a certificate for free and then add it to Outlook using the Yubikey key. Welcome S/MIME (Secure/Multipurpose Internet Mail Extensions) is a digital…
Category: Office365
Search and remove mails in exchange accounts
In this post, I will show you how to, in the case of receiving a spam message that has been sent to all accounts within our tenant, search for that message and remove it from the mailboxes. As I mentioned in the previous post, we first need to import the ExchangeOnline module and log in…
Search for ExchangeOnline mail rules – PowerShell
Today’s post was inspired by a recent incident where a user clicked on a malicious link, logged in, and as a result, their login credentials were compromised. The attacker, upon gaining access to the mailbox (most likely through automation), creates rules that either delete specific emails, typically those from the IT department or the sender…
MS Teams – how to create org-wide communication channel
If you are in IT or in any other administrative team probably you have some situations when you need to inform all employees about something. It could information about some outage or just any other informational news. Instead of sending mail you can publish this info via teams. Below I will present a tutorial on…
MS Teams – new version
Some days ago Microsoft published new preview version of MS Teams. New app is faster and more flexible. And.. for me there is as they wrote. Application is starting more faster and then windows iside application are switching also faster. I don’t want focus here only on performance aspect but to show you how to…
Sharepoint – how to see who views files or pages ?
As a owner of sharepoint site, you might to know who was reviewed your files. To see that we have to enable sharepoint feature allowing for that. Keep in mind that you have to have proper permissions to be able manage SP site. Open your site in browser Then, in the top right corner choose…