diff --git a/src/applications/pholio/editor/PholioMockEditor.php b/src/applications/pholio/editor/PholioMockEditor.php
index d721a60b2a..ff28ba73bd 100644
--- a/src/applications/pholio/editor/PholioMockEditor.php
+++ b/src/applications/pholio/editor/PholioMockEditor.php
@@ -19,7 +19,6 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
   protected function didApplyTransactions(
     PhabricatorLiskDAO $object,
     array $xactions) {
-//    $this->sendMail($object, $xactions);
 //    PholioIndexer::indexMock($mock);
     return;
   }
@@ -84,92 +83,46 @@ final class PholioMockEditor extends PhabricatorApplicationTransactionEditor {
     return parent::mergeTransactions($u, $v);
   }
 
+  protected function supportsMail() {
+    return true;
+  }
 
-  private function sendMail(
-    PholioMock $mock,
-    array $xactions,
-    $is_new,
-    array $mentioned_phids) {
+  protected function buildReplyHandler(PhabricatorLiskDAO $object) {
+    return id(new PholioReplyHandler())
+      ->setMailReceiver($object);
+  }
 
-    $subscribed_phids = PhabricatorSubscribersQuery::loadSubscribersForPHID(
-      $mock->getPHID());
+  protected function buildMailTemplate(PhabricatorLiskDAO $object) {
+    $id = $object->getID();
+    $name = $object->getName();
+    $original_name = $object->getOriginalName();
 
-    $email_to = array(
-      $mock->getAuthorPHID(),
+    return id(new PhabricatorMetaMTAMail())
+      ->setSubject("M{$id}: {$name}")
+      ->addHeader('Thread-Topic', "M{$id}: {$original_name}");
+  }
+
+  protected function getMailTo(PhabricatorLiskDAO $object) {
+    return array(
+      $object->getAuthorPHID(),
       $this->requireActor()->getPHID(),
     );
-    $email_cc = $subscribed_phids;
-
-    $phids = array_merge($email_to, $email_cc);
-    $handles = id(new PhabricatorObjectHandleData($phids))
-      ->setViewer($this->requireActor())
-      ->loadHandles();
-
-    $mock_id = $mock->getID();
-    $name = $mock->getName();
-    $original_name = $mock->getOriginalName();
-
-    $thread_id = 'pholio-mock-'.$mock->getPHID();
-
-    $mail_tags = $this->getMailTags($mock, $xactions);
-
-    $body = new PhabricatorMetaMTAMailBody();
-    $body->addRawSection('lorem ipsum');
-
-    $mock_uri = PhabricatorEnv::getProductionURI('/M'.$mock->getID());
-
-    $body->addTextSection(pht('MOCK DETAIL'), $mock_uri);
-
-    $reply_handler = $this->buildReplyHandler($mock);
-
-    $template = id(new PhabricatorMetaMTAMail())
-      ->setSubject("M{$mock_id}: {$name}")
-      ->setSubjectPrefix($this->getMailSubjectPrefix())
-      ->setVarySubjectPrefix('[edit/create?]')
-      ->setFrom($this->requireActor()->getPHID())
-      ->addHeader('Thread-Topic', "M{$mock_id}: {$original_name}")
-      ->setThreadID($thread_id, $is_new)
-      ->setRelatedPHID($mock->getPHID())
-      ->setExcludeMailRecipientPHIDs($this->getExcludeMailRecipientPHIDs())
-      ->setIsBulk(true)
-      ->setMailTags($mail_tags)
-      ->setBody($body->render());
-
-    // TODO
-    //  ->setParentMessageID(...)
-
-    $mails = $reply_handler->multiplexMail(
-      $template,
-      array_select_keys($handles, $email_to),
-      array_select_keys($handles, $email_cc));
-
-    foreach ($mails as $mail) {
-      $mail->saveAndSend();
-    }
-
-    $template->addTos($email_to);
-    $template->addCCs($email_cc);
-
-    return $template;
   }
 
-  private function getMailTags(PholioMock $mock, array $xactions) {
-    assert_instances_of($xactions, 'PholioTransaction');
-    $tags = array();
+  protected function buildMailBody(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
 
-    return $tags;
+    $body = parent::buildMailBody($object, $xactions);
+    $body->addTextSection(
+      pht('MOCK DETAIL'),
+      PhabricatorEnv::getProductionURI('/M'.$object->getID()));
+
+    return $body;
   }
 
-  public function buildReplyHandler(PholioMock $mock) {
-    $handler_object = new PholioReplyHandler();
-    $handler_object->setMailReceiver($mock);
-
-    return $handler_object;
-  }
-
-  private function getMailSubjectPrefix() {
+  protected function getMailSubjectPrefix() {
     return PhabricatorEnv::getEnvConfig('metamta.pholio.subject-prefix');
   }
 
-
 }
diff --git a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
index 1b8c8d3d6e..51a0e4cc3c 100644
--- a/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
+++ b/src/applications/transactions/editor/PhabricatorApplicationTransactionEditor.php
@@ -1,5 +1,8 @@
 <?php
 
+/**
+ * @task mail Sending Mail
+ */
 abstract class PhabricatorApplicationTransactionEditor
   extends PhabricatorEditor {
 
@@ -202,6 +205,10 @@ abstract class PhabricatorApplicationTransactionEditor
       }
     }
 
+    if (!$xactions) {
+      return $this;
+    }
+
     $xactions = $this->sortTransactions($xactions);
 
     $comment_editor = id(new PhabricatorApplicationTransactionCommentEditor())
@@ -230,7 +237,15 @@ abstract class PhabricatorApplicationTransactionEditor
       }
     $object->saveTransaction();
 
-    // TODO: Send mail.
+
+    $this->loadHandles($xactions);
+
+
+    $mail = null;
+    if ($this->supportsMail()) {
+      $mail = $this->sendMail($object, $xactions);
+    }
+
     // TODO: Index object.
     // TODO: Publish feed/notifications.
 
@@ -239,6 +254,26 @@ abstract class PhabricatorApplicationTransactionEditor
     return $this;
   }
 
+  private function loadHandles(array $xactions) {
+    $phids = array();
+    foreach ($xactions as $xaction) {
+      $phids[$xaction->getPHID()] = $xaction->getRequiredHandlePHIDs();
+    }
+    $handles = array();
+    $merged = array_mergev($phids);
+    if ($merged) {
+      $handles = id(new PhabricatorObjectHandleData($merged))
+        ->setViewer($this->requireActor())
+        ->loadHandles();
+    }
+    foreach ($xactions as $xaction) {
+      $xaction->setHandles(
+        array_select_keys(
+          $handles,
+          $phids[$xaction->getPHID()]));
+    }
+  }
+
   private function validateEditParameters(
     PhabricatorLiskDAO $object,
     array $xactions) {
@@ -484,4 +519,168 @@ abstract class PhabricatorApplicationTransactionEditor
   }
 
 
+/* -(  Sending Mail  )------------------------------------------------------- */
+
+
+  /**
+   * @task mail
+   */
+  protected function supportsMail() {
+    return false;
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function sendMail(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+
+    $email_to = $this->getMailTo($object);
+    $email_cc = $this->getMailCC($object);
+
+    $phids = array_merge($email_to, $email_cc);
+    $handles = id(new PhabricatorObjectHandleData($phids))
+      ->setViewer($this->requireActor())
+      ->loadHandles();
+
+    $template = $this->buildMailTemplate($object);
+    $body = $this->buildMailBody($object, $xactions);
+
+    $mail_tags = $this->getMailTags($object, $xactions);
+
+    $action = $this->getStrongestAction($object, $xactions);
+
+    $template
+      ->setFrom($this->requireActor()->getPHID())
+      ->setSubjectPrefix($this->getMailSubjectPrefix())
+      ->setVarySubjectPrefix('['.$action.']')
+      ->setThreadID($object->getPHID(), $this->getIsNewObject())
+      ->setRelatedPHID($object->getPHID())
+      ->setExcludeMailRecipientPHIDs($this->getExcludeMailRecipientPHIDs())
+      ->setMailTags($mail_tags)
+      ->setIsBulk(true)
+      ->setBody($body->render());
+
+    // TODO
+    //  ->setParentMessageID(...)
+
+    $mails = $this
+      ->buildReplyHandler($object)
+      ->multiplexMail(
+        $template,
+        array_select_keys($handles, $email_to),
+        array_select_keys($handles, $email_cc));
+
+    foreach ($mails as $mail) {
+      $mail->saveAndSend();
+    }
+
+    $template->addTos($email_to);
+    $template->addCCs($email_cc);
+
+    return $template;
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function getStrongestAction(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+    return last(msort($xactions, 'getActionStrength'))->getActionName();
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function buildReplyHandler(PhabricatorLiskDAO $object) {
+    throw new Exception("Capability not supported.");
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function getMailSubjectPrefix() {
+    throw new Exception("Capability not supported.");
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function getMailTags(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+    $tags = array();
+
+    foreach ($xactions as $xaction) {
+      $tags[] = $xaction->getMailTags();
+    }
+
+    return array_mergev($tags);
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function buildMailTemplate(PhabricatorLiskDAO $object) {
+    throw new Exception("Capability not supported.");
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function getMailTo(PhabricatorLiskDAO $object) {
+    throw new Exception("Capability not supported.");
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function getMailCC(PhabricatorLiskDAO $object) {
+    if ($object instanceof PhabricatorSubscribableInterface) {
+      $phid = $object->getPHID();
+      return PhabricatorSubscribersQuery::loadSubscribersForPHID($phid);
+    }
+    throw new Exception("Capability not supported.");
+  }
+
+
+  /**
+   * @task mail
+   */
+  protected function buildMailBody(
+    PhabricatorLiskDAO $object,
+    array $xactions) {
+
+    $headers = array();
+    $comments = array();
+
+    foreach ($xactions as $xaction) {
+      $headers[] = id(clone $xaction)->setRenderingTarget('text')->getTitle();
+      $comment = $xaction->getComment();
+      if ($comment && strlen($comment->getContent())) {
+        $comments[] = $comment->getContent();
+      }
+    }
+
+    $body = new PhabricatorMetaMTAMailBody();
+    $body->addRawSection(implode("\n", $headers));
+
+    foreach ($comments as $comment) {
+      $body->addRawSection($comment);
+    }
+
+    return $body;
+  }
+
+
 }
diff --git a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
index 45c3e177f3..f669011711 100644
--- a/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
+++ b/src/applications/transactions/storage/PhabricatorApplicationTransaction.php
@@ -6,6 +6,9 @@ abstract class PhabricatorApplicationTransaction
 
   const MARKUP_FIELD_COMMENT  = 'markup:comment';
 
+  const TARGET_TEXT = 'text';
+  const TARGET_HTML = 'html';
+
   protected $phid;
   protected $objectPHID;
   protected $authorPHID;
@@ -25,6 +28,7 @@ abstract class PhabricatorApplicationTransaction
   private $commentNotLoaded;
 
   private $handles;
+  private $renderingTarget = self::TARGET_HTML;
 
   abstract public function getApplicationTransactionType();
   abstract public function getApplicationTransactionCommentObject();
@@ -77,6 +81,15 @@ abstract class PhabricatorApplicationTransaction
 
 /* -(  Rendering  )---------------------------------------------------------- */
 
+  public function setRenderingTarget($rendering_target) {
+    $this->renderingTarget = $rendering_target;
+    return $this;
+  }
+
+  public function getRenderingTarget() {
+    return $this->renderingTarget;
+  }
+
   public function getRequiredHandlePHIDs() {
     $phids = array();
 
@@ -108,7 +121,11 @@ abstract class PhabricatorApplicationTransaction
   }
 
   protected function renderHandleLink($phid) {
-    return $this->getHandle($phid)->renderLink();
+    if ($this->renderingTarget == self::TARGET_HTML) {
+      return $this->getHandle($phid)->renderLink();
+    } else {
+      return $this->getHandle($phid)->getName();
+    }
   }
 
   protected function renderHandleList(array $phids) {
@@ -203,6 +220,32 @@ abstract class PhabricatorApplicationTransaction
     }
   }
 
+  public function getActionStrength() {
+    switch ($this->getTransactionType()) {
+      case PhabricatorTransactions::TYPE_COMMENT:
+        return 0.5;
+    }
+    return 1.0;
+  }
+
+  public function getActionName() {
+    switch ($this->getTransactionType()) {
+      case PhabricatorTransactions::TYPE_COMMENT:
+        return pht('Commented On');
+      case PhabricatorTransactions::TYPE_VIEW_POLICY:
+      case PhabricatorTransactions::TYPE_EDIT_POLICY:
+        return pht('Changed Policy');
+      case PhabricatorTransactions::TYPE_SUBSCRIBERS:
+        return pht('Changed Subscribers');
+      default:
+        return pht('Updated');
+    }
+  }
+
+  public function getMailTags() {
+    return array();
+  }
+
 
 /* -(  PhabricatorPolicyInterface Implementation  )-------------------------- */
 
diff --git a/webroot/rsrc/js/application/core/behavior-phabricator-nav.js b/webroot/rsrc/js/application/core/behavior-phabricator-nav.js
index cb7c6d5389..6f0e14da57 100644
--- a/webroot/rsrc/js/application/core/behavior-phabricator-nav.js
+++ b/webroot/rsrc/js/application/core/behavior-phabricator-nav.js
@@ -112,14 +112,16 @@ JX.behavior('phabricator-nav', function(config) {
   // When the user scrolls down on the desktop, we move the local nav up until
   // it hits the top of the page.
 
-  JX.Stratcom.listen(['scroll', 'resize'], null, function(e) {
-    if (JX.Device.getDevice() != 'desktop') {
-      return;
-    }
+  if (local) {
+    JX.Stratcom.listen(['scroll', 'resize'], null, function(e) {
+      if (JX.Device.getDevice() != 'desktop') {
+        return;
+      }
 
-    var y = Math.max(0, config.menuSize - JX.Vector.getScroll().y);
-    local.style.top = y + 'px';
-  });
+      var y = Math.max(0, config.menuSize - JX.Vector.getScroll().y);
+      local.style.top = y + 'px';
+    });
+  }
 
 
 // - Navigation Reset ----------------------------------------------------------