Add Postmark integration (inbound emails for task creation)

app/Model/User.php

@@ -141,6 +141,18 @@ class User extends Base
         return $this->db->table(self::TABLE)->eq('username', $username)->findOne();
     }
 
+    /**
+     * Get a specific user by the email address
+     *
+     * @access public
+     * @param  string  $email  Email
+     * @return array
+     */
+    public function getByEmail($email)
+    {
+        return $this->db->table(self::TABLE)->eq('email', $email)->findOne();
+    }
+
     /**
      * Get all users
      *