diff --git a/filter-rules.py b/filter-rules.py
index e99503f..13d4a93 100644
--- a/filter-rules.py
+++ b/filter-rules.py
@@ -62,6 +62,7 @@ BLOCK_DOMAINS = [
     'denodo.com',
     'exacttarget.com',
     'freshsales.io',
+    'hrciconnect.com',
     'ikigailabs.io',
     'impetus.com',
     'informareachmedia.com',
@@ -127,7 +128,7 @@ ALLOW = [
     'heliocampus.atlassian.net',
     'ctptravelservices.com',
     'Travel@concursolutions.com',
-    'substack.com',
+    'ghost.io',
     'nytdirect@nytimes.com'
 ]
 
@@ -293,13 +294,10 @@ def filter_message(self, message):
         move_message(message, 'Junk Email')
         return
 
-    # add 'OSU Inform' category to internal messages sent to DLs
-    if ('@oregonstate.edu' in normalized_from
-            and ((not get_header('To', headers)
-                  and not get_header('List-Id', headers))
-                 or ('inform-c' in ' '.join(normalized_to)))):
-        self._log_result(message, "adding category 'OSU Inform'")
-        add_category(message, 'OSU Inform')
+    # add 'HelioCampus' category to messages from HC
+    if '@heliocampus' in normalized_from:
+        self._log_result(message, "adding category 'HelioCampus'")
+        add_category(message, 'HelioCampus')
         return
 
     # keep messages from allowed emails and domains
@@ -343,6 +341,15 @@ def filter_message(self, message):
         move_message(message, 'Junk Email')
         return
 
+    # add 'OSU Inform' category to internal messages sent to DLs
+    if ('@oregonstate.edu' in normalized_from
+            and ((not get_header('To', headers)
+                  and not get_header('List-Id', headers))
+                 or ('inform-c' in ' '.join(normalized_to)))):
+        self._log_result(message, "adding category 'OSU Inform'")
+        add_category(message, 'OSU Inform')
+        return
+
     # KEEP MESSAGE
     self._log_result(message, 'keeping message, passed all filter checks')
 
diff --git a/mail-filter.py b/mail-filter.py
index 3e1077f..729f02d 100644
--- a/mail-filter.py
+++ b/mail-filter.py
@@ -139,12 +139,17 @@ class O365MailFilter(object):
     def _log_result(self, message, result):
         log(f"{self._repr_message(message)} RESULT: {result}")
 
-    def filter(self):
+    def filter(self, is_first_run=False):
+        log(f"  {pendulum.now()} Getting mailbox...", logging.DEBUG)
         mailbox = self._account.mailbox()
+        log(f"  {pendulum.now()} Getting folder...", logging.DEBUG)
         inbox = mailbox.inbox_folder()
 
-        self._load_folders(mailbox)
-        self._load_categories()
+        if is_first_run:
+            log(f"  {pendulum.now()} Loading folders and categories...", logging.DEBUG)
+            self._load_folders(mailbox)
+            self._load_categories()
+        log(f"  {pendulum.now()} Loading filter rules...", logging.DEBUG)
         self._load_filters()
 
         # set limit to max allowed by O365, which is 999 messages
@@ -156,9 +161,11 @@ class O365MailFilter(object):
             'to_recipients', 'from', 'subject', 'body',
             'internet_message_headers'
         )
+        log(f"  {pendulum.now()} Getting messages from inbox...", logging.DEBUG)
         messages = inbox.get_messages(query=query, limit=limit, batch=25)
 
         for message in messages:
+            log(f"  {pendulum.now()} {message}", logging.DEBUG)
             if message.object_id in self._filtered_cache['ids']:
                 # we've already filtered this message, so skip it
                 continue
@@ -167,13 +174,16 @@ class O365MailFilter(object):
 
     def run(self):
         """ run filter as a loop """
+        is_first_run = True
         while not self._is_canceled:
             # clear the filtered message cache if it's older than 4 hours
             if (self._filtered_cache['last_reset'] is None or
                     self._filtered_cache['last_reset'] < pendulum.now().subtract(hours=4)):
                 self._clear_cache()
 
-            self.filter()
+            log(f"Filtering the sludge @ {pendulum.now()}...", logging.DEBUG)
+            self.filter(is_first_run)
+            is_first_run = False
             time.sleep(self._config['CHECK_INTERVAL'])
 
         log('Done.')
diff --git a/requirements.txt b/requirements.txt
index 4a88d92..8f9d20c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,18 +1,17 @@
-beautifulsoup4==4.12.2
-certifi==2023.11.17
+beautifulsoup4==4.12.3
+certifi==2024.2.2
 charset-normalizer==3.3.2
 idna==3.6
-O365==2.0.31
+O365==2.0.33
 oauthlib==3.2.2
-pendulum==2.1.2
+pendulum==3.0.0
 python-dateutil==2.8.2
-pytz-deprecation-shim==0.1.0.post0
-pytzdata==2020.1
 requests==2.31.0
 requests-oauthlib==1.3.1
 six==1.16.0
 soupsieve==2.5
 stringcase==1.2.0
-tzdata==2023.3
-tzlocal==4.3.1
-urllib3==2.1.0
+time-machine==2.13.0
+tzdata==2024.1
+tzlocal==5.2
+urllib3==2.2.0