ВБ
$user_sa = Get-MailContact | where {$_.ExchangeVersion -ne "0.20 (15.0.0.0)"} | select alias
foreach ($user in $user_sa){
$alias = $user.Alias
$newext_email = "$alias"+"@sa.contoso.ru"
Set-MailContact -Identity $alias -ExternalEmailAddress $newext_email
}
