Public/Domain/Remove-UnifiedGroupAddress.ps1
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function Remove-UnifiedGroupAddress { <# .SYNOPSIS Remove all mailbox addresses with one more more domains/words .DESCRIPTION Remove all mailbox addresses with one more more domains/words .PARAMETER Domains List of domains or words to find in the email addresses .EXAMPLE Remove-UnifiedGroupAddress -Domains 'fabrikam.com' | Export-Csv c:\scripts\log.csv -NoTypeInformation .EXAMPLE Remove-UnifiedGroupAddress -Domains 'wingtip.com|fabrikam.com|widget.com' | Export-Csv c:\scripts\log.csv -NoTypeInformation .NOTES Connect to Exchange Online Version 2 Connect-CloudMFA -Tenant contoso -EXO2 #> param ( [Parameter(Mandatory)] $Domains ) end { $EA = $ErrorActionPreference $ErrorActionPreference = 'Stop' $RemoveList = Get-UnifiedGroup -ResultSize Unlimited | Select-Object @( 'DisplayName' 'PrimarySmtpAddress' 'UserPrincipalName' @{ Name = 'EmailList' Expression = { @($_.emailaddresses) -match $Domains } } 'ExchangeGuid' 'Guid' ) $RemoveList = $RemoveList.Where{ $_.EmailList } foreach ($Remove in $RemoveList) { try { Write-Host "$($Remove.DisplayName)" -ForegroundColor White Get-UnifiedGroup -Identity $Remove.Identity | Set-UnifiedGroup -EmailAddresses @{Remove = @($Remove.EmailList) } Write-Host "$($Remove.DisplayName) Removed" -ForegroundColor Green [PSCustomObject]@{ Action = "REMOVEEMAILS" DisplayName = $Remove.DisplayName PrimarySmtpAddress = $Remove.PrimarySmtpAddress UserPrincipalName = $Remove.UserPrincipalName Guid = $Remove.Guid Result = "SUCCESS" Log = "SUCCESS" Remove = @($Remove.EmailList -ne '' -Join '|') } } catch { Write-Host "$($Remove.DisplayName) $($_.Exception.Message)" -ForegroundColor Red [PSCustomObject]@{ Action = "REMOVEEMAILS" DisplayName = $Remove.DisplayName PrimarySmtpAddress = $Remove.PrimarySmtpAddress UserPrincipalName = $Remove.UserPrincipalName Guid = $Remove.Guid Result = "FAILED" Log = $_.Exception.Message Remove = @($Remove.EmailList -ne '' -Join '|') } } } $ErrorActionPreference = $EA } } |