smeserver-postfix/root/etc/e-smith/templates/etc/postfix/virtual/06user

# SME users
{
    my $dms = $DelegateMailServer;

    return "# DelegateMailServer is set" if ($dms && ($dms !~ /^\s*$/));

    $OUT = "";

    use esmith::AccountsDB;

    my $adb = esmith::AccountsDB->open_ro or die "Couldn't open AccountsDB";

    for my $user ($adb->users)
    {
      #next unless ($pseudo->key =~ /@/); <== aliase to emails or catch-all @domain.com are ok
      $OUT .= $user->key . "\t\t\t".$user->key."\n";
    }
}