Universal Bulk Script

$ids = Get-Content C:\New_Folder\123.txt | Where-Object { $_ -match '\S' }

$ids | ForEach-Object { Get-Mailbox -Identity $_ } |Select-Object PrimarySmtpAddress, RecipientTypeDetails |Export-Csv C:\New_Folder\checkmailbox-type.csv -NoTypeInformation -Encoding UTF8