Mailbox Junk Mail Configuration in Office 365
Current configuration for single mailbox Get-MailboxJunkEMailConfiguration -Identity "Your Mailbox" | Format-List Junk Mail details only (Get-MailboxJunkEMailConfiguration -Identity "Your Mailbox").BlockedSendersAndDomains Add blocked senders Set-MailboxJunkEMailConfiguration –Identity "Your Mailbox" –BlockedSendersAndDomains @{Add="JunkMailEmailOrDomain@spam.online"}