Knowledge Base

TCB Network Solutions Page Other Topics Office 365 Open Windows PowerShell as an Admin and enter the following commands:  connect-msolservice –> Enter Global Admin credentials  Set-MsolUserPrincipalName -UserPrincipalName “username@xxxxx.onmicrosoft.com” -NewUserPrincipalName “username@correctdomain.com” Note:  It is tricky to connect to O365 via powershell using an admin account that has 2FA enabled. As a work-around, search for (or create) …

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TCB Network Solutions Page Add Email Domain Or User To Spam Filtering ​ Other Topics Security Tech Updates Add email domain or user to spam filtering Log into O365 Admin Portal Navigate to Exchange Admin Center Go to Protection > Spam Filter > Edit > Block Lists Add the domain and full user to the …

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