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How to resolve Junk email validation error
I'm attempting to add an email address to all users mailboxes using Set-mailboxJunkEmailConfiguration. The command fails and returns an email address as the error (see below). I've dumped the thr...
I had the same issue and resolved it by disabling the "Trust email from my contacts" option in the user's Junk email settings in Outlook.
This is the PowerShell command:
Set-MailboxJunkEmailConfiguration -Identity email address removed for privacy reasons -ContactsTrusted $false