Lot’s of cyber attacks are based in malicious e-mails and use the good faith of users. That’s why you should train and sensitize your users. A simple and effective way is to visualize the danger with a small banner. In this article you get the information to create a rule with an “caution” banner. In …
Read more “Append E-Mail banner for external mails in Exchange Online E-Mail Tagging”
Some days ago Microsoft announced the final ending of basic authentication in Exchange Online. Today, we are announcing that, effective October 1, 2022, we will begin to permanently disable Basic Auth in all tenants, regardless of usage, with the exception of SMTP Auth. https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-and-exchange-online-september-2021-update/ba-p/2772210 So why disabling Basic Auth? It works like a charm! Basic …
Read more “Exchange Online and disabling Basic Authentication by Microsoft”
Lot of customers ask me if it is possible to get a statistic of mailbox size in Exchange Online. I say, of course it’s possible with PowerShell. Some time ago I created a short script to get sizes as output to shell. Not that usable. The last days I spent some time to create a …
Read more “Exchange Online: see mailboxsize and added mobile devices with PowerShell”
Maybe you saw my old blogpost about finding Full Access Permissions on Exchange OnPrem and found it useful? But now we have 2021 more and more companies move to cloud services. I thought it would be useful to write the same article but for exchange online. So here it is. Before you can access Exchange …
Read more “Find all fullaccess and sendas permissions in Exchange Online”
Dealing with PowerShell is a great thing, especially if you have to administer a large and dynamic organization. Let’s spend some time to learn some default use cases lot of exchange admins have to do. In this article I’m showing a various combination of different PowerShell cmdlets, with special focus in the new Exchange Online …
Read more “Exchange Online PowerShell V2 use cases and small tutorial”
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