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List all SMTP Addresses for all Mailboxes or Distribution Groups in Exchange

Posted on February 23, 2021 By rich No Comments on List all SMTP Addresses for all Mailboxes or Distribution Groups in Exchange

This PowerShell script allows you to export from Exchange, a list of addresses and all associated alias’/SMTP Addresses. This works for both mailboxes and for distribution groups.

 

$Mailboxes = Get-Mailbox -ResultSize Unlimited
ForEach ($Mailbox In $Mailboxes) {
  $DisplayName = """" + $Mailbox.DisplayName + """"
  $EMailAddresses = $Mailbox.EMailAddresses
  $EMailString = """"
  ForEach ($EMailAddress In $EMailAddresses) {
    If ($EMailString -eq """") {
      $EMailString += $EMailAddress.ProxyAddressString
    } Else {
      $EMailString += "," + $EMailAddress.ProxyAddressString
    }
    $EMailString
  }
  $EMailString = $EMailString + """"
  $DisplayName + "," + $EMailString | Out-File -FilePath "Report.csv" -Append
} 

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