diff --git a/src/applications/maniphest/editor/ManiphestTransactionEditor.php b/src/applications/maniphest/editor/ManiphestTransactionEditor.php
index 31c391cf9a..d902594857 100644
--- a/src/applications/maniphest/editor/ManiphestTransactionEditor.php
+++ b/src/applications/maniphest/editor/ManiphestTransactionEditor.php
@@ -438,19 +438,23 @@ final class ManiphestTransactionEditor
 
   public function getMailTagsMap() {
     return array(
-      MetaMTANotificationType::TYPE_MANIPHEST_STATUS =>
+      ManiphestTransaction::MAILTAG_STATUS =>
         pht("A task's status changes."),
-      MetaMTANotificationType::TYPE_MANIPHEST_OWNER =>
+      ManiphestTransaction::MAILTAG_OWNER =>
         pht("A task's owner changes."),
-      MetaMTANotificationType::TYPE_MANIPHEST_PRIORITY =>
+      ManiphestTransaction::MAILTAG_PRIORITY =>
         pht("A task's priority changes."),
-      MetaMTANotificationType::TYPE_MANIPHEST_CC =>
-        pht("A task's CCs change."),
-      MetaMTANotificationType::TYPE_MANIPHEST_PROJECTS =>
+      ManiphestTransaction::MAILTAG_CC =>
+        pht("A task's subscribers change."),
+      ManiphestTransaction::MAILTAG_PROJECTS =>
         pht("A task's associated projects change."),
-      MetaMTANotificationType::TYPE_MANIPHEST_COMMENT =>
+      ManiphestTransaction::MAILTAG_UNBLOCK =>
+        pht('One of the tasks a task is blocked by changes status.'),
+      ManiphestTransaction::MAILTAG_COLUMN =>
+        pht('A task is moved between columns on a workboard.'),
+      ManiphestTransaction::MAILTAG_COMMENT =>
         pht('Someone comments on a task.'),
-      MetaMTANotificationType::TYPE_MANIPHEST_OTHER =>
+      ManiphestTransaction::MAILTAG_OTHER =>
         pht('Other task activity not listed above occurs.'),
     );
   }
diff --git a/src/applications/maniphest/storage/ManiphestTransaction.php b/src/applications/maniphest/storage/ManiphestTransaction.php
index 3d5716c656..fb383e3cdc 100644
--- a/src/applications/maniphest/storage/ManiphestTransaction.php
+++ b/src/applications/maniphest/storage/ManiphestTransaction.php
@@ -20,6 +20,18 @@ final class ManiphestTransaction
   // so any transactions render correctly.
   const TYPE_ATTACH = 'attach';
 
+
+  const MAILTAG_STATUS = 'maniphest-status';
+  const MAILTAG_OWNER = 'maniphest-owner';
+  const MAILTAG_PRIORITY = 'maniphest-priority';
+  const MAILTAG_CC = 'maniphest-cc';
+  const MAILTAG_PROJECTS = 'maniphest-projects';
+  const MAILTAG_COMMENT = 'maniphest-comment';
+  const MAILTAG_COLUMN = 'maniphest-column';
+  const MAILTAG_UNBLOCK = 'maniphest-unblock';
+  const MAILTAG_OTHER = 'maniphest-other';
+
+
   public function getApplicationName() {
     return 'maniphest';
   }
@@ -828,32 +840,38 @@ final class ManiphestTransaction
     $tags = array();
     switch ($this->getTransactionType()) {
       case self::TYPE_STATUS:
-        $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_STATUS;
+        $tags[] = self::MAILTAG_STATUS;
         break;
       case self::TYPE_OWNER:
-        $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_OWNER;
+        $tags[] = self::MAILTAG_OWNER;
         break;
       case self::TYPE_CCS:
-        $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_CC;
+        $tags[] = self::MAILTAG_CC;
         break;
       case PhabricatorTransactions::TYPE_EDGE:
         switch ($this->getMetadataValue('edge:type')) {
           case PhabricatorProjectObjectHasProjectEdgeType::EDGECONST:
-            $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_PROJECTS;
+            $tags[] = self::MAILTAG_PROJECTS;
             break;
           default:
-            $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_OTHER;
+            $tags[] = self::MAILTAG_OTHER;
             break;
         }
         break;
       case self::TYPE_PRIORITY:
-        $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_PRIORITY;
+        $tags[] = self::MAILTAG_PRIORITY;
+        break;
+      case self::TYPE_UNBLOCK:
+        $tags[] = self::MAILTAG_UNBLOCK;
+        break;
+      case self::TYPE_PROJECT_COLUMN:
+        $tags[] = self::MAILTAG_COLUMN;
         break;
       case PhabricatorTransactions::TYPE_COMMENT:
-        $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_COMMENT;
+        $tags[] = self::MAILTAG_COMMENT;
         break;
       default:
-        $tags[] = MetaMTANotificationType::TYPE_MANIPHEST_OTHER;
+        $tags[] = self::MAILTAG_OTHER;
         break;
     }
     return $tags;
diff --git a/src/applications/metamta/constants/MetaMTANotificationType.php b/src/applications/metamta/constants/MetaMTANotificationType.php
index b97477ea95..7406af4928 100644
--- a/src/applications/metamta/constants/MetaMTANotificationType.php
+++ b/src/applications/metamta/constants/MetaMTANotificationType.php
@@ -11,14 +11,6 @@ final class MetaMTANotificationType
   const TYPE_DIFFERENTIAL_REVIEW_REQUEST = 'differential-review-request';
   const TYPE_DIFFERENTIAL_OTHER          = 'differential-other';
 
-  const TYPE_MANIPHEST_STATUS         = 'maniphest-status';
-  const TYPE_MANIPHEST_OWNER          = 'maniphest-owner';
-  const TYPE_MANIPHEST_PRIORITY       = 'maniphest-priority';
-  const TYPE_MANIPHEST_CC             = 'maniphest-cc';
-  const TYPE_MANIPHEST_PROJECTS       = 'maniphest-projects';
-  const TYPE_MANIPHEST_COMMENT        = 'maniphest-comment';
-  const TYPE_MANIPHEST_OTHER          = 'maniphest-other';
-
   const TYPE_PHOLIO_STATUS            = 'pholio-status';
   const TYPE_PHOLIO_COMMENT           = 'pholio-comment';
   const TYPE_PHOLIO_UPDATED           = 'pholio-updated';