diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 0fb3cbf42d..909849d3ba 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1232,6 +1232,9 @@ phutil_register_library_map(array(
     'PhabricatorMailReceiver' => 'applications/metamta/receiver/PhabricatorMailReceiver.php',
     'PhabricatorMailReceiverTestCase' => 'applications/metamta/receiver/__tests__/PhabricatorMailReceiverTestCase.php',
     'PhabricatorMailReplyHandler' => 'applications/metamta/replyhandler/PhabricatorMailReplyHandler.php',
+    'PhabricatorMailingListPHIDTypeList' => 'applications/mailinglists/phid/PhabricatorMailingListPHIDTypeList.php',
+    'PhabricatorMailingListQuery' => 'applications/mailinglists/query/PhabricatorMailingListQuery.php',
+    'PhabricatorMailingListSearchEngine' => 'applications/mailinglists/query/PhabricatorMailingListSearchEngine.php',
     'PhabricatorMailingListsController' => 'applications/mailinglists/controller/PhabricatorMailingListsController.php',
     'PhabricatorMailingListsEditController' => 'applications/mailinglists/controller/PhabricatorMailingListsEditController.php',
     'PhabricatorMailingListsListController' => 'applications/mailinglists/controller/PhabricatorMailingListsListController.php',
@@ -3207,9 +3210,16 @@ phutil_register_library_map(array(
     'PhabricatorMailManagementShowOutboundWorkflow' => 'PhabricatorSearchManagementWorkflow',
     'PhabricatorMailManagementWorkflow' => 'PhutilArgumentWorkflow',
     'PhabricatorMailReceiverTestCase' => 'PhabricatorTestCase',
+    'PhabricatorMailingListPHIDTypeList' => 'PhabricatorPHIDType',
+    'PhabricatorMailingListQuery' => 'PhabricatorCursorPagedPolicyAwareQuery',
+    'PhabricatorMailingListSearchEngine' => 'PhabricatorApplicationSearchEngine',
     'PhabricatorMailingListsController' => 'PhabricatorController',
     'PhabricatorMailingListsEditController' => 'PhabricatorMailingListsController',
-    'PhabricatorMailingListsListController' => 'PhabricatorMailingListsController',
+    'PhabricatorMailingListsListController' =>
+    array(
+      0 => 'PhabricatorMailingListsController',
+      1 => 'PhabricatorApplicationSearchResultsControllerInterface',
+    ),
     'PhabricatorMainMenuGroupView' => 'AphrontView',
     'PhabricatorMainMenuIconView' => 'AphrontView',
     'PhabricatorMainMenuSearchView' => 'AphrontView',
@@ -3226,7 +3236,11 @@ phutil_register_library_map(array(
     'PhabricatorMetaMTAMail' => 'PhabricatorMetaMTADAO',
     'PhabricatorMetaMTAMailBodyTestCase' => 'PhabricatorTestCase',
     'PhabricatorMetaMTAMailTestCase' => 'PhabricatorTestCase',
-    'PhabricatorMetaMTAMailingList' => 'PhabricatorMetaMTADAO',
+    'PhabricatorMetaMTAMailingList' =>
+    array(
+      0 => 'PhabricatorMetaMTADAO',
+      1 => 'PhabricatorPolicyInterface',
+    ),
     'PhabricatorMetaMTAReceivedMail' => 'PhabricatorMetaMTADAO',
     'PhabricatorMetaMTAReceivedMailProcessingException' => 'Exception',
     'PhabricatorMetaMTAReceivedMailTestCase' => 'PhabricatorTestCase',
diff --git a/src/applications/mailinglists/application/PhabricatorApplicationMailingLists.php b/src/applications/mailinglists/application/PhabricatorApplicationMailingLists.php
index 8a562d4d96..9d69962e10 100644
--- a/src/applications/mailinglists/application/PhabricatorApplicationMailingLists.php
+++ b/src/applications/mailinglists/application/PhabricatorApplicationMailingLists.php
@@ -25,7 +25,8 @@ final class PhabricatorApplicationMailingLists extends PhabricatorApplication {
   public function getRoutes() {
     return array(
       '/mailinglists/' => array(
-        '' => 'PhabricatorMailingListsListController',
+        '(?:query/(?P<queryKey>[^/]+)/)?'
+          => 'PhabricatorMailingListsListController',
         'edit/(?:(?P<id>[1-9]\d*)/)?'
           => 'PhabricatorMailingListsEditController',
       ),
diff --git a/src/applications/mailinglists/controller/PhabricatorMailingListsController.php b/src/applications/mailinglists/controller/PhabricatorMailingListsController.php
index bce54cf2ab..dd2fb46ccd 100644
--- a/src/applications/mailinglists/controller/PhabricatorMailingListsController.php
+++ b/src/applications/mailinglists/controller/PhabricatorMailingListsController.php
@@ -2,24 +2,27 @@
 
 abstract class PhabricatorMailingListsController extends PhabricatorController {
 
-  public function buildSideNavView($filter = null, $for_app = false) {
+  public function buildSideNavView($for_app = false) {
     $user = $this->getRequest()->getUser();
 
     $nav = new AphrontSideNavFilterView();
     $nav->setBaseURI(new PhutilURI($this->getApplicationURI()));
 
-    $nav->addLabel(pht('Mailing Lists'));
-    $nav->addFilter('/', pht('All Lists'));
-    $nav->selectFilter($filter, '/');
     if ($for_app) {
-      $nav->addFilter('edit/', pht('Create List'));
+      $nav->addFilter('edit', pht('Create List'));
     }
 
+    id(new PhabricatorMailingListSearchEngine())
+      ->setViewer($user)
+      ->addNavigationItems($nav->getMenu());
+
+    $nav->selectFilter(null);
+
     return $nav;
   }
 
   public function buildApplicationMenu() {
-    return $this->buildSideNavView(null, true)->getMenu();
+    return $this->buildSideNavView(true)->getMenu();
   }
 
   public function buildApplicationCrumbs() {
diff --git a/src/applications/mailinglists/controller/PhabricatorMailingListsEditController.php b/src/applications/mailinglists/controller/PhabricatorMailingListsEditController.php
index be5f9dac65..e417d8b9a4 100644
--- a/src/applications/mailinglists/controller/PhabricatorMailingListsEditController.php
+++ b/src/applications/mailinglists/controller/PhabricatorMailingListsEditController.php
@@ -10,9 +10,14 @@ final class PhabricatorMailingListsEditController
   }
 
   public function processRequest() {
+    $request = $this->getRequest();
+    $viewer = $request->getUser();
 
     if ($this->id) {
-      $list = id(new PhabricatorMetaMTAMailingList())->load($this->id);
+      $list = id(new PhabricatorMailingListQuery())
+        ->setViewer($viewer)
+        ->withIDs(array($this->id))
+        ->executeOne();
       if (!$list) {
         return new Aphront404Response();
       }
@@ -25,9 +30,8 @@ final class PhabricatorMailingListsEditController
     $e_name = true;
     $errors = array();
 
-    $crumbs = $this->buildApplicationCrumbs($this->buildSideNavView());
+    $crumbs = $this->buildApplicationCrumbs();
 
-    $request = $this->getRequest();
     if ($request->isFormPost()) {
       $list->setName($request->getStr('name'));
       $list->setEmail($request->getStr('email'));
@@ -105,10 +109,6 @@ final class PhabricatorMailingListsEditController
           ->setError($e_uri)
           ->setCaption(pht('Optional link to mailing list archives or info.'))
           ->setValue($list->getURI()))
-      ->appendChild(
-        id(new AphrontFormStaticControl())
-          ->setLabel('PHID')
-          ->setValue(nonempty($list->getPHID(), '-')))
       ->appendChild(
         id(new AphrontFormSubmitControl())
           ->setValue(pht('Save'))
@@ -117,13 +117,11 @@ final class PhabricatorMailingListsEditController
     if ($list->getID()) {
       $crumbs->addCrumb(
         id(new PhabricatorCrumbView())
-          ->setName(pht('Edit Mailing List'))
-          ->setHref($this->getApplicationURI('/edit/'.$list->getID().'/')));
+          ->setName(pht('Edit Mailing List')));
     } else {
       $crumbs->addCrumb(
         id(new PhabricatorCrumbView())
-          ->setName(pht('Create Mailing List'))
-          ->setHref($this->getApplicationURI('/edit/')));
+          ->setName(pht('Create Mailing List')));
     }
 
     return $this->buildApplicationPage(
diff --git a/src/applications/mailinglists/controller/PhabricatorMailingListsListController.php b/src/applications/mailinglists/controller/PhabricatorMailingListsListController.php
index 107e49f2b3..0edb7611aa 100644
--- a/src/applications/mailinglists/controller/PhabricatorMailingListsListController.php
+++ b/src/applications/mailinglists/controller/PhabricatorMailingListsListController.php
@@ -1,84 +1,51 @@
 <?php
 
 final class PhabricatorMailingListsListController
-  extends PhabricatorMailingListsController {
+  extends PhabricatorMailingListsController
+  implements PhabricatorApplicationSearchResultsControllerInterface {
+
+  private $queryKey;
+
+  public function shouldAllowPublic() {
+    return true;
+  }
+
+  public function willProcessRequest(array $data) {
+    $this->queryKey = idx($data, 'queryKey');
+  }
 
   public function processRequest() {
     $request = $this->getRequest();
-    $user = $request->getUser();
-    $offset = $request->getInt('offset', 0);
+    $controller = id(new PhabricatorApplicationSearchController($request))
+      ->setQueryKey($this->queryKey)
+      ->setSearchEngine(new PhabricatorMailingListSearchEngine())
+      ->setNavigation($this->buildSideNavView());
 
-    $pager = new AphrontPagerView();
-    $pager->setPageSize(250);
-    $pager->setOffset($offset);
-    $pager->setURI($request->getRequestURI(), 'offset');
+    return $this->delegateToController($controller);
+  }
 
-    $list = new PhabricatorMetaMTAMailingList();
-    $conn_r = $list->establishConnection('r');
-    $data = queryfx_all(
-      $conn_r,
-      'SELECT * FROM %T
-        ORDER BY name ASC
-        LIMIT %d, %d',
-        $list->getTableName(),
-        $pager->getOffset(), $pager->getPageSize() + 1);
-    $data = $pager->sliceResults($data);
+  public function renderResultsList(
+    array $lists,
+    PhabricatorSavedQuery $query) {
+    assert_instances_of($lists, 'PhabricatorMetaMTAMailingList');
 
-    $nav = $this->buildSideNavView('all');
+    $view = id(new PhabricatorObjectItemListView());
 
-    $lists = $list->loadAllFromArray($data);
-
-    $rows = array();
     foreach ($lists as $list) {
-      $rows[] = array(
-        $list->getName(),
-        $list->getEmail(),
-        phutil_tag(
-          'a',
-          array(
-            'class' => 'button grey small',
-            'href'  => $this->getApplicationURI('/edit/'.$list->getID().'/'),
-          ),
-          pht('Edit')),
-      );
+      $item = new PhabricatorObjectItemView();
+
+      $item->setHeader($list->getName());
+      $item->setHref($list->getURI());
+      $item->addAttribute($list->getEmail());
+      $item->addAction(
+        id(new PHUIListItemView())
+          ->setIcon('edit')
+          ->setHref($this->getApplicationURI('/edit/'.$list->getID().'/')));
+
+      $view->addItem($item);
     }
 
-    $table = new AphrontTableView($rows);
-    $table->setHeaders(
-      array(
-        pht('Name'),
-        pht('Email'),
-        '',
-      ));
-    $table->setColumnClasses(
-      array(
-        null,
-        'wide',
-        'action',
-      ));
-
-    $crumbs = $this->buildApplicationCrumbs($this->buildSideNavView());
-    $crumbs->addCrumb(
-      id(new PhabricatorCrumbView())
-        ->setName(pht('All Lists'))
-        ->setHref($this->getApplicationURI()));
-    $nav->setCrumbs($crumbs);
-
-    $panel = new AphrontPanelView();
-    $panel->appendChild($table);
-    $panel->setHeader(pht('Mailing Lists'));
-    $panel->appendChild($pager);
-    $panel->setNoBackground();
-
-    $nav->appendChild($panel);
-
-    return $this->buildApplicationPage(
-      array(
-        $nav,
-      ),
-      array(
-        'title' => pht('Mailing Lists'),
-        'device' => true,
-      ));
+    return $view;
   }
+
 }
diff --git a/src/applications/mailinglists/phid/PhabricatorMailingListPHIDTypeList.php b/src/applications/mailinglists/phid/PhabricatorMailingListPHIDTypeList.php
new file mode 100644
index 0000000000..ec9462d97d
--- /dev/null
+++ b/src/applications/mailinglists/phid/PhabricatorMailingListPHIDTypeList.php
@@ -0,0 +1,46 @@
+<?php
+
+final class PhabricatorMailingListPHIDTypeList extends PhabricatorPHIDType {
+
+  const TYPECONST = 'MLST';
+
+  public function getTypeConstant() {
+    return self::TYPECONST;
+  }
+
+  public function getTypeName() {
+    return pht('Mailing List');
+  }
+
+  public function newObject() {
+    return new PhabricatorMetaMTAMailingList();
+  }
+
+  public function loadObjects(
+    PhabricatorObjectQuery $query,
+    array $phids) {
+
+    return id(new PhabricatorMailingListQuery())
+      ->setViewer($query->getViewer())
+      ->withPHIDs($phids)
+      ->execute();
+  }
+
+  public function loadHandles(
+    PhabricatorHandleQuery $query,
+    array $handles,
+    array $objects) {
+
+    foreach ($handles as $phid => $handle) {
+      $list = $objects[$phid];
+
+      $handle->setName($list->getName());
+      $handle->setURI($list->getURI());
+    }
+  }
+
+  public function canLoadNamedObject($name) {
+    return false;
+  }
+
+}
diff --git a/src/applications/mailinglists/query/PhabricatorMailingListQuery.php b/src/applications/mailinglists/query/PhabricatorMailingListQuery.php
new file mode 100644
index 0000000000..a7f98a4aa9
--- /dev/null
+++ b/src/applications/mailinglists/query/PhabricatorMailingListQuery.php
@@ -0,0 +1,56 @@
+<?php
+
+final class PhabricatorMailingListQuery
+  extends PhabricatorCursorPagedPolicyAwareQuery {
+
+  private $phids;
+  private $ids;
+
+  public function withIDs($ids) {
+    $this->ids = $ids;
+    return $this;
+  }
+
+  public function withPHIDs($phids) {
+    $this->phids = $phids;
+    return $this;
+  }
+
+  public function loadPage() {
+    $table = new PhabricatorMetaMTAMailingList();
+    $conn_r = $table->establishConnection('r');
+
+    $data = queryfx_all(
+      $conn_r,
+      'SELECT * FROM %T %Q %Q %Q',
+      $table->getTableName(),
+      $this->buildWhereClause($conn_r),
+      $this->buildOrderClause($conn_r),
+      $this->buildLimitClause($conn_r));
+
+    return $table->loadAllFromArray($data);
+  }
+
+  private function buildWhereClause(AphrontDatabaseConnection $conn_r) {
+    $where = array();
+
+    if ($this->ids) {
+      $where[] = qsprintf(
+        $conn_r,
+        'id IN (%Ld)',
+        $this->ids);
+    }
+
+    if ($this->phids) {
+      $where[] = qsprintf(
+        $conn_r,
+        'phid IN (%Ls)',
+        $this->phids);
+    }
+
+    $where[] = $this->buildPagingClause($conn_r);
+
+    return $this->formatWhereClause($where);
+  }
+
+}
diff --git a/src/applications/mailinglists/query/PhabricatorMailingListSearchEngine.php b/src/applications/mailinglists/query/PhabricatorMailingListSearchEngine.php
new file mode 100644
index 0000000000..6f846f5aed
--- /dev/null
+++ b/src/applications/mailinglists/query/PhabricatorMailingListSearchEngine.php
@@ -0,0 +1,54 @@
+<?php
+
+final class PhabricatorMailingListSearchEngine
+  extends PhabricatorApplicationSearchEngine {
+
+  public function buildSavedQueryFromRequest(AphrontRequest $request) {
+    $saved = new PhabricatorSavedQuery();
+
+    return $saved;
+  }
+
+  public function buildQueryFromSavedQuery(PhabricatorSavedQuery $saved) {
+    $query = id(new PhabricatorMailingListQuery());
+
+    return $query;
+  }
+
+  public function buildSearchForm(
+    AphrontFormView $form,
+    PhabricatorSavedQuery $saved_query) {
+
+    // This just makes it clear to the user that the lack of filters is
+    // intentional, not a bug.
+    $form->appendChild(
+      id(new AphrontFormMarkupControl())
+        ->setValue(pht('No query filters are available for mailing lists.')));
+  }
+
+  protected function getURI($path) {
+    return '/mailinglists/'.$path;
+  }
+
+  public function getBuiltinQueryNames() {
+    $names = array(
+      'all' => pht('All Lists'),
+    );
+
+    return $names;
+  }
+
+  public function buildSavedQueryFromBuiltin($query_key) {
+
+    $query = $this->newSavedQuery();
+    $query->setQueryKey($query_key);
+
+    switch ($query_key) {
+      case 'all':
+        return $query;
+    }
+
+    return parent::buildSavedQueryFromBuiltin($query_key);
+  }
+
+}
diff --git a/src/applications/mailinglists/storage/PhabricatorMetaMTAMailingList.php b/src/applications/mailinglists/storage/PhabricatorMetaMTAMailingList.php
index 3ac298eabb..d9034295c2 100644
--- a/src/applications/mailinglists/storage/PhabricatorMetaMTAMailingList.php
+++ b/src/applications/mailinglists/storage/PhabricatorMetaMTAMailingList.php
@@ -1,6 +1,7 @@
 <?php
 
-final class PhabricatorMetaMTAMailingList extends PhabricatorMetaMTADAO {
+final class PhabricatorMetaMTAMailingList extends PhabricatorMetaMTADAO
+  implements PhabricatorPolicyInterface {
 
   protected $name;
   protected $phid;
@@ -9,7 +10,7 @@ final class PhabricatorMetaMTAMailingList extends PhabricatorMetaMTADAO {
 
   public function generatePHID() {
     return PhabricatorPHID::generateNewPHID(
-      PhabricatorPHIDConstants::PHID_TYPE_MLST);
+      PhabricatorMailingListPHIDTypeList::TYPECONST);
   }
 
   public function getConfiguration() {
@@ -18,4 +19,22 @@ final class PhabricatorMetaMTAMailingList extends PhabricatorMetaMTADAO {
     ) + parent::getConfiguration();
   }
 
+
+/* -(  PhabricatorPolicyInterface  )----------------------------------------- */
+
+
+  public function getCapabilities() {
+    return array(
+      PhabricatorPolicyCapability::CAN_VIEW,
+    );
+  }
+
+  public function getPolicy($capability) {
+    return PhabricatorPolicies::POLICY_USER;
+  }
+
+  public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
+    return false;
+  }
+
 }
diff --git a/src/applications/metamta/query/PhabricatorMetaMTAActorQuery.php b/src/applications/metamta/query/PhabricatorMetaMTAActorQuery.php
index e2f87dc8dc..eae0a34a7c 100644
--- a/src/applications/metamta/query/PhabricatorMetaMTAActorQuery.php
+++ b/src/applications/metamta/query/PhabricatorMetaMTAActorQuery.php
@@ -28,6 +28,8 @@ final class PhabricatorMetaMTAActorQuery extends PhabricatorQuery {
       $actors[$phid] = id(new PhabricatorMetaMTAActor())->setPHID($phid);
     }
 
+    // TODO: Move this to PhabricatorPHIDType.
+
     foreach ($type_map as $type => $phids) {
       switch ($type) {
         case PhabricatorPHIDConstants::PHID_TYPE_USER:
@@ -36,7 +38,7 @@ final class PhabricatorMetaMTAActorQuery extends PhabricatorQuery {
         case PhabricatorPHIDConstants::PHID_TYPE_XUSR:
           $this->loadExternalUserActors($actors, $phids);
           break;
-        case PhabricatorPHIDConstants::PHID_TYPE_MLST:
+        case PhabricatorMailingListPHIDTypeList::TYPECONST:
           $this->loadMailingListActors($actors, $phids);
           break;
         default:
@@ -127,9 +129,10 @@ final class PhabricatorMetaMTAActorQuery extends PhabricatorQuery {
   private function loadMailingListActors(array $actors, array $phids) {
     assert_instances_of($actors, 'PhabricatorMetaMTAActor');
 
-    $lists = id(new PhabricatorMetaMTAMailingList())->loadAllWhere(
-      'phid IN (%Ls)',
-      $phids);
+    $lists = id(new PhabricatorMailingListQuery())
+      ->setViewer($this->getViewer())
+      ->withPHIDs($phids)
+      ->execute();
     $lists = mpull($lists, null, 'getPHID');
 
     foreach ($phids as $phid) {
diff --git a/src/applications/phid/PhabricatorPHIDConstants.php b/src/applications/phid/PhabricatorPHIDConstants.php
index 881f1017af..3d23e4b3b2 100644
--- a/src/applications/phid/PhabricatorPHIDConstants.php
+++ b/src/applications/phid/PhabricatorPHIDConstants.php
@@ -3,7 +3,6 @@
 final class PhabricatorPHIDConstants {
 
   const PHID_TYPE_USER    = 'USER';
-  const PHID_TYPE_MLST    = 'MLST';
   const PHID_TYPE_TASK    = 'TASK';
   const PHID_TYPE_FILE    = 'FILE';
   const PHID_TYPE_PROJ    = 'PROJ';
diff --git a/src/applications/phid/handle/PhabricatorObjectHandleData.php b/src/applications/phid/handle/PhabricatorObjectHandleData.php
index b907c13bfd..c169addced 100644
--- a/src/applications/phid/handle/PhabricatorObjectHandleData.php
+++ b/src/applications/phid/handle/PhabricatorObjectHandleData.php
@@ -110,11 +110,6 @@ final class PhabricatorObjectHandleData {
           $phids);
         return mpull($projects, null, 'getPHID');
 
-      case PhabricatorPHIDConstants::PHID_TYPE_MLST:
-        $object = new PhabricatorMetaMTAMailingList();
-        $lists = $object->loadAllWhere('phid IN (%Ls)', $phids);
-        return mpull($lists, null, 'getPHID');
-
       case PhabricatorPHIDConstants::PHID_TYPE_WIKI:
         // TODO: Update this to PhrictionDocumentQuery, already pre-package
         // content DAO
@@ -330,24 +325,6 @@ final class PhabricatorObjectHandleData {
           }
           break;
 
-        case PhabricatorPHIDConstants::PHID_TYPE_MLST:
-          foreach ($phids as $phid) {
-            $handle = new PhabricatorObjectHandle();
-            $handle->setPHID($phid);
-            $handle->setType($type);
-            if (empty($objects[$phid])) {
-              $handle->setName('Unknown Mailing List');
-            } else {
-              $list = $objects[$phid];
-              $handle->setName($list->getName());
-              $handle->setURI($list->getURI());
-              $handle->setFullName($list->getName());
-              $handle->setComplete(true);
-            }
-            $handles[$phid] = $handle;
-          }
-          break;
-
         case PhabricatorPHIDConstants::PHID_TYPE_CMIT:
           foreach ($phids as $phid) {
             $handle = new PhabricatorObjectHandle();
diff --git a/src/applications/typeahead/controller/PhabricatorTypeaheadCommonDatasourceController.php b/src/applications/typeahead/controller/PhabricatorTypeaheadCommonDatasourceController.php
index 167eb5afe0..cca7c53abc 100644
--- a/src/applications/typeahead/controller/PhabricatorTypeaheadCommonDatasourceController.php
+++ b/src/applications/typeahead/controller/PhabricatorTypeaheadCommonDatasourceController.php
@@ -198,7 +198,9 @@ final class PhabricatorTypeaheadCommonDatasourceController
     }
 
     if ($need_lists) {
-      $lists = id(new PhabricatorMetaMTAMailingList())->loadAll();
+      $lists = id(new PhabricatorMailingListQuery())
+        ->setViewer($viewer)
+        ->execute();
       foreach ($lists as $list) {
         $results[] = id(new PhabricatorTypeaheadResult())
           ->setName($list->getName())
diff --git a/src/infrastructure/edges/constants/PhabricatorEdgeConfig.php b/src/infrastructure/edges/constants/PhabricatorEdgeConfig.php
index 4182b9060c..8b09f49648 100644
--- a/src/infrastructure/edges/constants/PhabricatorEdgeConfig.php
+++ b/src/infrastructure/edges/constants/PhabricatorEdgeConfig.php
@@ -159,8 +159,6 @@ final class PhabricatorEdgeConfig extends PhabricatorEdgeConstants {
       PhabricatorPHIDConstants::PHID_TYPE_FILE  => 'PhabricatorFile',
       PhabricatorPHIDConstants::PHID_TYPE_USER  => 'PhabricatorUser',
       PhabricatorPHIDConstants::PHID_TYPE_PROJ  => 'PhabricatorProject',
-      PhabricatorPHIDConstants::PHID_TYPE_MLST  =>
-        'PhabricatorMetaMTAMailingList',
       PhabricatorPHIDConstants::PHID_TYPE_TOBJ  => 'HarbormasterObject',
       PhabricatorPHIDConstants::PHID_TYPE_BLOG  => 'PhameBlog',
       PhabricatorPHIDConstants::PHID_TYPE_POST  => 'PhamePost',