mailer: Use Namespaced Mailer

This commit instantiates the mailer using the correct namespace.

bootstrap.php

@@ -323,7 +323,7 @@ function mb_str_wc($str) {
 
     static function croak($message) {
         $msg = $message."\n\n".THISPAGE;
-        Mailer::sendmail(ADMIN_EMAIL, 'osTicket Fatal Error', $msg,
+        osTicket\Mail\Mailer::sendmail(ADMIN_EMAIL, 'osTicket Fatal Error', $msg,
             sprintf('"osTicket Alerts"<%s>', ADMIN_EMAIL));
         //Display generic error to the user
         Http::response(500, "<b>Fatal Error:</b> Contact system administrator.");

include/class.export.php

@@ -535,7 +535,7 @@ function email(Staff $staff) {
                 || !($email=$cfg->getDefaultEmail()))
             return false;
 
-        $mailer = new Mailer($email);
+        $mailer = new osTicket\Mail\Mailer($email);
         $mailer->addFileObject($file);
         $subject = __("Export");
         $body = __("Attached is file containing the export you asked us to send you!");

include/class.filter_action.php

@@ -642,7 +642,7 @@ function apply(&$ticket, array $info) {
 
         // Honor FROM address settings
         if (!$config['from'] || !($mailer = Email::lookup($config['from'])))
-            $mailer = new Mailer();
+            $mailer = new osTicket\Mail\Mailer();
 
         // Allow %{user} in the To: line
         $replacer = new VariableReplacer();

include/class.osticket.php

@@ -237,7 +237,8 @@ function alertAdmin($subject, $message, $log=false) {
         if($email) {
             $email->sendAlert($to, $subject, $message, null, array('text'=>true, 'reply-tag'=>false));
         } else {//no luck - try the system mail.
-            Mailer::sendmail($to, $subject, $message, '"'.__('osTicket Alerts').sprintf('" <%s>',$to));
+            osTicket\Mail\Mailer::sendmail($to, $subject, $message,
+                     '"'.__('osTicket Alerts').sprintf('" <%s>',$to));
         }
 
         //log the alert? Watch out for loops here.

include/class.upgrader.php

@@ -203,7 +203,7 @@ function onError($error) {
         if($email) {
             $email->sendAlert($thisstaff->getEmail(), $subject, $error);
         } else {//no luck - try the system mail.
-            Mailer::sendmail($thisstaff->getEmail(), $subject, $error,
+            osTicket\Mail\Mailer::sendmail($thisstaff->getEmail(), $subject, $error,
                 '"'._S('osTicket Alerts')."\" <{$thisstaff->getEmail()}>");
         }