how do i white list a domain like @optum.com

Michele Mariscal 20 Reputation points
2025-10-24T16:25:12.1333333+00:00

I am not receiving emails and calendar invites from a particular domain (@optum.com). How do I white list them to be able to receive them?

Microsoft 365 and Office | Other
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Answer accepted by question author
EmilyS726 279.2K Reputation points Independent Advisor
2025-10-24T17:00:43.9633333+00:00

Hello,

Are you using outlook.com address?

If so, go to https://www.outlook.com

After you sign in, go to the gear icon on the upper right to launch Settings. Then go to the Mail tab > Rules.

Click on Add a new rule. Name your rule anything such as "Whitelist Optum.com"

Then for condition, choose "Sender address includes", then type in optum.com and press enter.

Then for action, choose Move to > Inbox.

Then save the rule.

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