diff --git a/plexpy/__init__.py b/plexpy/__init__.py
index 533c4a1b..41a2e7e3 100644
--- a/plexpy/__init__.py
+++ b/plexpy/__init__.py
@@ -42,6 +42,7 @@ import datafactory
 import libraries
 import logger
 import mobile_app
+import newsletters
 import newsletter_handler
 import notification_handler
 import notifiers
@@ -202,6 +203,7 @@ def initialize(config_file):
             logger.error(u"Could not perform upgrades: %s" % e)
 
         # Add notifier configs to logger blacklist
+        newsletters.blacklist_logger()
         notifiers.blacklist_logger()
         mobile_app.blacklist_logger()
 
diff --git a/plexpy/logger.py b/plexpy/logger.py
index 8f467662..2cd0807d 100644
--- a/plexpy/logger.py
+++ b/plexpy/logger.py
@@ -28,6 +28,7 @@ import traceback
 
 import plexpy
 import helpers
+from plexpy.config import _BLACKLIST_KEYS, _WHITELIST_KEYS
 
 # These settings are for file logging only
 FILENAME = "tautulli.log"
@@ -48,6 +49,20 @@ logger_plex_websocket = logging.getLogger("plex_websocket")
 # Global queue for multiprocessing logging
 queue = None
 
+
+def blacklist_config(config):
+    blacklist = set()
+    blacklist_keys = ['HOOK', 'APIKEY', 'KEY', 'PASSWORD', 'TOKEN']
+
+    for key, value in config.iteritems():
+        if isinstance(value, basestring) and len(value.strip()) > 5 and \
+            key.upper() not in _WHITELIST_KEYS and (key.upper() in blacklist_keys or
+                                                    any(bk in key.upper() for bk in _BLACKLIST_KEYS)):
+            blacklist.add(value.strip())
+
+    _BLACKLIST_WORDS.update(blacklist)
+
+
 class NoThreadFilter(logging.Filter):
     """
     Log filter for the current thread
diff --git a/plexpy/mobile_app.py b/plexpy/mobile_app.py
index 752420f4..45ef1a4d 100644
--- a/plexpy/mobile_app.py
+++ b/plexpy/mobile_app.py
@@ -138,7 +138,5 @@ def set_last_seen(device_token=None):
 
 def blacklist_logger():
     devices = get_mobile_devices()
-
-    blacklist = set(d['device_token'] for d in devices)
-
-    logger._BLACKLIST_WORDS.update(blacklist)
+    for d in devices:
+        logger.blacklist_config(d)
diff --git a/plexpy/newsletters.py b/plexpy/newsletters.py
index 74f04d3f..1b6275a1 100644
--- a/plexpy/newsletters.py
+++ b/plexpy/newsletters.py
@@ -196,6 +196,7 @@ def add_newsletter_config(agent_id=None, **kwargs):
         newsletter_id = db.last_insert_id()
         logger.info(u"Tautulli Newsletters :: Added new newsletter agent: %s (newsletter_id %s)."
                     % (agent['label'], newsletter_id))
+        blacklist_logger()
         return newsletter_id
     except Exception as e:
         logger.warn(u"Tautulli Newsletters :: Unable to add newsletter agent: %s." % e)
@@ -254,6 +255,7 @@ def set_newsletter_config(newsletter_id=None, agent_id=None, **kwargs):
         logger.info(u"Tautulli Newsletters :: Updated newsletter agent: %s (newsletter_id %s)."
                     % (agent['label'], newsletter_id))
         newsletter_handler.schedule_newsletters(newsletter_id=newsletter_id)
+        blacklist_logger()
         return True
     except Exception as e:
         logger.warn(u"Tautulli Newsletters :: Unable to update newsletter agent: %s." % e)
@@ -274,6 +276,17 @@ def send_newsletter(newsletter_id=None, subject=None, body=None, message=None, n
         logger.debug(u"Tautulli Newsletters :: Notification requested but no newsletter_id received.")
 
 
+def blacklist_logger():
+    db = database.MonitorDatabase()
+    notifiers = db.select('SELECT newsletter_config, email_config FROM newsletters')
+
+    for n in notifiers:
+        config = json.loads(n['newsletter_config'] or '{}')
+        logger.blacklist_config(config)
+        email_config = json.loads(n['email_config'] or '{}')
+        logger.blacklist_config(email_config)
+
+
 def serve_template(templatename, **kwargs):
     if plexpy.CONFIG.NEWSLETTER_CUSTOM_DIR:
         template_dir = plexpy.CONFIG.NEWSLETTER_CUSTOM_DIR
diff --git a/plexpy/notifiers.py b/plexpy/notifiers.py
index c4d7dbad..32b717ec 100644
--- a/plexpy/notifiers.py
+++ b/plexpy/notifiers.py
@@ -62,7 +62,6 @@ import mobile_app
 import pmsconnect
 import request
 import users
-from plexpy.config import _BLACKLIST_KEYS, _WHITELIST_KEYS
 
 
 BROWSER_NOTIFIERS = {}
@@ -612,17 +611,9 @@ def blacklist_logger():
     db = database.MonitorDatabase()
     notifiers = db.select('SELECT notifier_config FROM notifiers')
 
-    blacklist = set()
-    blacklist_keys = ['hook', 'key', 'password', 'token']
-
     for n in notifiers:
         config = json.loads(n['notifier_config'] or '{}')
-        for key, value in config.iteritems():
-            if isinstance(value, basestring) and len(value.strip()) > 5 and \
-                key.upper() not in _WHITELIST_KEYS and (key.upper() in blacklist_keys or any(bk in key.upper() for bk in _BLACKLIST_KEYS)):
-                blacklist.add(value.strip())
-
-    logger._BLACKLIST_WORDS.update(blacklist)
+        logger.blacklist_config(config)
 
 
 class PrettyMetadata(object):