diff --git a/src/applications/feed/story/base/PhabricatorFeedStory.php b/src/applications/feed/story/base/PhabricatorFeedStory.php
index a6828d16c5..7cdb665dee 100644
--- a/src/applications/feed/story/base/PhabricatorFeedStory.php
+++ b/src/applications/feed/story/base/PhabricatorFeedStory.php
@@ -51,6 +51,20 @@ abstract class PhabricatorFeedStory {
     return $this->handles;
   }
 
+  final protected function getHandle($phid) {
+    if (isset($this->handles[$phid])) {
+      if ($this->handles[$phid] instanceof PhabricatorObjectHandle) {
+        return $this->handles[$phid];
+      }
+    }
+
+    $handle = new PhabricatorObjectHandle();
+    $handle->setPHID($phid);
+    $handle->setName("Unloaded Object '{$phid}'");
+
+    return $handle;
+  }
+
   final protected function getObjects() {
     return $this->objects;
   }
diff --git a/src/applications/feed/story/maniphest/PhabricatorFeedStoryManiphest.php b/src/applications/feed/story/maniphest/PhabricatorFeedStoryManiphest.php
index a5a45a52e4..91265a9d9c 100644
--- a/src/applications/feed/story/maniphest/PhabricatorFeedStoryManiphest.php
+++ b/src/applications/feed/story/maniphest/PhabricatorFeedStoryManiphest.php
@@ -20,11 +20,12 @@ class PhabricatorFeedStoryManiphest extends PhabricatorFeedStory {
 
   public function getRequiredHandlePHIDs() {
     $data = $this->getStoryData();
-    return array(
-      $this->getStoryData()->getAuthorPHID(),
-      $data->getValue('taskPHID'),
-      $data->getValue('ownerPHID'),
-    );
+    return array_filter(
+        array(
+        $this->getStoryData()->getAuthorPHID(),
+        $data->getValue('taskPHID'),
+        $data->getValue('ownerPHID'),
+      ));
   }
 
   public function getRequiredObjectPHIDs() {
@@ -36,7 +37,6 @@ class PhabricatorFeedStoryManiphest extends PhabricatorFeedStory {
   public function renderView() {
     $data = $this->getStoryData();
 
-    $handles = $this->getHandles();
     $author_phid = $data->getAuthorPHID();
     $owner_phid = $data->getValue('ownerPHID');
     $task_phid = $data->getValue('taskPHID');
@@ -47,18 +47,27 @@ class PhabricatorFeedStoryManiphest extends PhabricatorFeedStory {
     $view = new PhabricatorFeedStoryView();
 
     $verb = ManiphestAction::getActionPastTenseVerb($action);
-    $title =
-      '<strong>'.$handles[$author_phid]->renderLink().'</strong>'.
-      " {$verb} task ".
-      '<strong>'.$handles[$task_phid]->renderLink().'</strong>';
+    $extra = null;
     switch ($action) {
       case ManiphestAction::ACTION_ASSIGN:
-        $title .=
-          ' to '.
-          '<strong>'.$handles[$owner_phid]->renderLink().'</strong>';
+        if ($owner_phid) {
+          $extra =
+            ' to '.
+            '<strong>'.$this->getHandle($owner_phid)->renderLink().'</strong>';
+        } else {
+          $verb = 'placed';
+          $extra = ' up for grabs';
+        }
         break;
     }
+
+    $title =
+      '<strong>'.$this->getHandle($author_phid)->renderLink().'</strong>'.
+      " {$verb} task ".
+      '<strong>'.$this->getHandle($task_phid)->renderLink().'</strong>';
+    $title .= $extra;
     $title .= '.';
+
     $view->setTitle($title);
 
     switch ($action) {
diff --git a/src/applications/metamta/controller/base/PhabricatorMetaMTAController.php b/src/applications/metamta/controller/base/PhabricatorMetaMTAController.php
index 76d3214649..80d2f2e8f3 100644
--- a/src/applications/metamta/controller/base/PhabricatorMetaMTAController.php
+++ b/src/applications/metamta/controller/base/PhabricatorMetaMTAController.php
@@ -18,6 +18,10 @@
 
 abstract class PhabricatorMetaMTAController extends PhabricatorController {
 
+  public function shouldRequireAdmin() {
+    return true;
+  }
+
   public function buildStandardPageResponse($view, array $data) {
     $page = $this->buildStandardPageView();
 
diff --git a/src/applications/metamta/controller/list/PhabricatorMetaMTAListController.php b/src/applications/metamta/controller/list/PhabricatorMetaMTAListController.php
index 14904c65b1..96701fa606 100644
--- a/src/applications/metamta/controller/list/PhabricatorMetaMTAListController.php
+++ b/src/applications/metamta/controller/list/PhabricatorMetaMTAListController.php
@@ -100,7 +100,9 @@ class PhabricatorMetaMTAListController extends PhabricatorMetaMTAController {
     $panel = new AphrontPanelView();
     $panel->appendChild($table);
     $panel->setHeader('MetaMTA Messages');
-    $panel->setCreateButton('Send New Message', '/mail/send/');
+    if ($user->getIsAdmin()) {
+      $panel->setCreateButton('Send New Test Message', '/mail/send/');
+    }
     $panel->appendChild($pager);
 
     return $this->buildStandardPageResponse(
diff --git a/src/applications/metamta/controller/view/PhabricatorMetaMTAViewController.php b/src/applications/metamta/controller/view/PhabricatorMetaMTAViewController.php
index 627cf6ae36..2aecc5d665 100644
--- a/src/applications/metamta/controller/view/PhabricatorMetaMTAViewController.php
+++ b/src/applications/metamta/controller/view/PhabricatorMetaMTAViewController.php
@@ -60,10 +60,6 @@ class PhabricatorMetaMTAViewController extends PhabricatorMetaMTAController {
         id(new AphrontFormStaticControl())
           ->setLabel('Related PHID')
           ->setValue($mail->getRelatedPHID()))
-      ->appendChild(
-        id(new AphrontFormTextAreaControl())
-          ->setLabel('Parameters')
-          ->setValue(json_encode($mail->getParameters())))
       ->appendChild(
         id(new AphrontFormSubmitControl())
           ->addCancelButton('/mail/', 'Done'));
diff --git a/src/applications/metamta/controller/view/__init__.php b/src/applications/metamta/controller/view/__init__.php
index d08f948405..be2cda3818 100644
--- a/src/applications/metamta/controller/view/__init__.php
+++ b/src/applications/metamta/controller/view/__init__.php
@@ -12,7 +12,6 @@ phutil_require_module('phabricator', 'applications/metamta/storage/mail');
 phutil_require_module('phabricator', 'view/form/base');
 phutil_require_module('phabricator', 'view/form/control/static');
 phutil_require_module('phabricator', 'view/form/control/submit');
-phutil_require_module('phabricator', 'view/form/control/textarea');
 phutil_require_module('phabricator', 'view/layout/panel');
 phutil_require_module('phabricator', 'view/utils');