Allowing “Phish” Training Emails in Exchange Online

With the introduction of “Secure by Default” in Exchange Online, where you used to add IPs and other settings such as allow-lists to allow your phish training emails to get through to your users this will no longer work, and shortly it will no longer work to bypass the Exchange Online filters using mail flow… Continue reading Allowing “Phish” Training Emails in Exchange Online

Block Downloads and Other Controls in Microsoft Dynamics

This article will walk you through the use of Microsoft Cloud App Security (MCAS in the rest of the article) to implement data protections in the Microsoft Dynamics product range. This includes Dynamics 365 (the CRM product), Finance and Operations, Talent, Marketing etc. In this walk through we will block copy and paste from the… Continue reading Block Downloads and Other Controls in Microsoft Dynamics

Microsoft 365 – How To Enable A Progressive Web Application

A Progressive Web Application (PWA) is an application that runs in a website which you can separately have an icon for on your desktop (Windows, Chromebook, Raspberry PI, Linux, Android and other operating systems). This icon can be pinned to the Start Menu (or equivalent) and starting it opens the web application in a separate… Continue reading Microsoft 365 – How To Enable A Progressive Web Application

Outlook AutoDetect And Broken AutoDiscover

Those in the Exchange Server space for a number of years know all about AutoDiscover and the many ways it can be configured and misconfigured – if even configured at all. Often misconfiguration is to do with certificates or it is not configured at all because it involves certificates and I thought I was aware… Continue reading Outlook AutoDetect And Broken AutoDiscover

Proxies and Firewalls and Installing Microsoft Office Subscription Software

Microsoft Office 365 client software (Word, Excel etc.) has been available as a subscription model for over ten years and using the Click-2-Run technology for all or most of that time, but I still see a lot of people who are unsure how it actually works, assuming its a standard installer they have used for… Continue reading Proxies and Firewalls and Installing Microsoft Office Subscription Software

Centrally Managing Microsoft 365 Apps Updates

It used to be the domain of 3rd party enterprise apps or Microsoft’s Configuration Manager to control the updates (or servicing) of your Microsoft Office apps (now called Microsoft 365 Apps). With recent additions to the Office Configuration Portal at https://config.office.com you can have central admin of updates including groups to deploy and in which… Continue reading Centrally Managing Microsoft 365 Apps Updates

Intune MAM Exemptions – Discovering URL Protocols

In Microsoft Intune you can create a secure container where the data in your apps cannot leak outside of. That is, you can restrict copy/paste outside of the supported apps and restrict opening the data in a different app. But sometimes you need to open the data in a different app and with the Intune… Continue reading Intune MAM Exemptions – Discovering URL Protocols

550 5.1.8 Access denied, bad outbound sender AS(42003)

“Your message couldn’t be delivered because you weren’t recognized as a valid sender. The most common reason for this is that your email address is suspected of sending spam and it’s no longer allowed to send email. Contact your email admin for assistance.” This is an error you get when your anti-spam “outbound” policy restricts… Continue reading 550 5.1.8 Access denied, bad outbound sender AS(42003)

[New] External Email Notification in Exchange Online

This is a new feature released in March 2021 that adds support in Outlook (Mac, OWA, Mobile) for the display of the external status of the sender – note at the time of writing it does not add this feature to Outlook for the PC. This should be used to replace the way this has… Continue reading [New] External Email Notification in Exchange Online

Azure AD Consent For Zoom App Not Applying

This is a issue where you enabled Admin Approved Consent in Azure AD (as you should) and you require apps that have high data access rights to be approved. The Zoom add-in/desktop app falls into this category as it requires write access to your calendar and your contacts in Exchange Online. But if you set… Continue reading Azure AD Consent For Zoom App Not Applying

Unable To Update Defender Preferences

I was trying to add Microsoft Defender exceptions via PowerShell to a clients server (Windows Server 2016 if that matters) the other day and it was always failing – the error was: This was returning “Failed to modify preferences” on the Add-MpPreference cmdlet and the error code 0x80070073 To fix I needed to uninstall Windows… Continue reading Unable To Update Defender Preferences

Why Do Comments In Microsoft 365 Planner Disappear?

So first you need an Exchange Online mailbox for comments to work. Comments to the tasks of Plans are stored in the Microsoft 365 Group mailbox, and you need an Exchange Online mailbox to access the M365 Group mailbox. Behind the scenes, or actually not that behind the scenes, the process for comments is as… Continue reading Why Do Comments In Microsoft 365 Planner Disappear?

Exchange Online Warning On Receipt Of New Email Sender

First Contact Safety Tip

Released recently to no fanfare at all, Microsoft now has a SafetyTip that appears if you receive email from a first time recipient. Most often phish emails will come from an address you have never received email from before, and sometimes this email will try to impersonate people you communicate with or are internal to… Continue reading Exchange Online Warning On Receipt Of New Email Sender

Microsoft 365 From A Raspberry Pi 400 Personal Computer

So my new computer arrived today, its a keyboard and a few cables, and as my first computer was a ZX Spectrum when I was 14, this brings back a few memories. But, is it usable today with services such as Microsoft 365? Lets see… First, the actual computer is in the keyboard, but its… Continue reading Microsoft 365 From A Raspberry Pi 400 Personal Computer