public function postDeleteMail(Request $request)
{
$this->validate($request, ['userId' => 'required', 'address' => 'required']);
$address = $request->get('address');
$mail = $this->handler->emails()->findByAddress($address);
if ($mail === null) {
throw new EmailNotFoundException();
}
XeDB::beginTransaction();
try {
$this->handler->emails()->delete($mail);
} catch (Exception $e) {
XeDB::rollBack();
throw $e;
}
XeDB::commit();
return XePresenter::makeApi(['type' => 'success', 'address' => $address]);
}