getMail.ps1

$cred = Get-Credential -Message "Please enter your DBS login and password" -User $env:USERNAME@ad.dbs.fr
$username = $cred.username
$password = $cred.GetNetworkCredential().password

$de = New-Object System.DirectoryServices.DirectoryEntry("LDAP://ad.dbs.fr", $username, $password)

$login = $env:USERNAME
$Rech = new-object System.DirectoryServices.DirectorySearcher($de)
$rc = $Rech.filter = "((sAMAccountName=$login))"
$rc = $Rech.SearchScope = "subtree"
$rc = $Rech.PropertiesToLoad.Add("mail");

$theUser = $Rech.FindOne()
if ($theUser -ne $null)
{
  Write-Host $theUser.Properties["mail"]
}