check before: 2024-04-20
Product:
Teams
Platform:
World tenant, Online
Status:
Change type:
New feature, Admin impact
Links:
Details:
Microsoft Teams has a new setting to block all subdomains of domains in the federation Block list. This setting is disabled by default and can be enabled using a PowerShell cmdlet. It affects new communications and existing chats with users from blocked subdomains. Rollout began mid-March 2024.
In Microsoft Teams, we have introduced a new Tenant Federation setting to block all subdomains of domains in the federation Block list. If your organization is using a Block list to protect your users from malicious or other domains, you should enable this new setting to also protect users from all related subdomains without manually adding all subdomains to the Block list. For example, if you have contoso.com on your Block list and enable this setting, the subdomains spam.contoso.com and marketing.contoso.com will also be blocked.
[When this will happen:]
General Availability (Worldwide): We began rolling out mid-March 2024 and completed in early April 2024.
Change Category:
XXXXXXX ...
Scope:
XXXXXXX ...
Release Phase:
Created:
2024-04-06
updated:
2024-04-06
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