Category: MDO
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Blocking onmicrosoft.com Emails in Exchange Online Protection
There is a considerable uptick in emails from the default domain in Microsoft 365 tenants. These emails come from senders @ tenant.onmicrosoft.com and are not your tenant. Microsoft recently announced recipient external sender limits to reduce this, as the default is 10,000 recipients per day, but will get an additional restriction of no more than…
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More Frequent Quarantine Notifications in Exchange Online Protection
Available from the end of April 2023 there is now an option to increase the notification interval to end users about items in the quarantine. The Microsoft 365 Quarantine is at https://security.microsoft.com/quarantine and though this is a good link to add corporate intranets, its also a useful one for users to remember and bookmark. Up…
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Safe Links, Microsoft Teams Rooms or Zoom Rooms, and Preset Security Policies
Or “How to customize Microsoft 365 Preset Security Policies“! The Preset Security Policies in Microsoft 365 allow you to assign to users, groups or domains the recommend anti-spam, anti-spoofing and anti-malware settings (amongst others). In the Microsoft 365 Security Portal (https://security.microsoft.com) where you set this there appears to be no way to customize these policies…