Hello, I am using Exchange 2007. I would need from the user's Alias: Alias: USER007 To add after the alias: @UK.COMPANY.INTRA And this as External email address --> USER007@UK.COMPANY.INTRA I would need to apply that change to a list of aliases (Get-Content C:\Scripts\testuser.txt) Would that be possible? Thanks a lot.

Hi, Try this: Get-Content "C:\Scripts\testuser.txt" |Get-MailContact | foreach{ $ExternalEmailAddress = "$($_.Alias)@Uk.Company.Intra"         Set-MailContact $_.Identity -ExternalEmailAddress $ExternalEmailAddress } Regards, Laeeq Qazi|Team Lead(Exchange + Sharepoint + BES + DynamicsCRM) www.HostingController.com