Это должно сделать это.
public function sendTransactionalEmail() {
// Transactional Email Template's ID
$templateId = 1;
// Set sender information
$senderName = Mage::getStoreConfig('trans_email/ident_support/name');
$senderEmail = Mage::getStoreConfig('trans_email/ident_support/email');
$sender = array('name' => $senderName,
'email' => $senderEmail);
// Set recepient information
$recepientEmail = 'john@example.com';
$recepientName = 'John Doe';
// Get Store ID
$storeId = Mage::app()->getStore()->getId();
// Set variables that can be used in email template
$vars = array('customerName' => 'customer@example.com',
'customerEmail' => 'Mr. Nil Cust');
$translate = Mage::getSingleton('core/translate');
// Send Transactional Email
Mage::getModel('core/email_template')
->sendTransactional($templateId, $sender, $recepientEmail, $recepientName, $vars, $storeId);
$translate->setTranslateInline(true);
}