diff --git a/.phpstan.neon b/.phpstan.neon
index 8dfd10deae..bf01c3cc07 100644
--- a/.phpstan.neon
+++ b/.phpstan.neon
@@ -3,10 +3,10 @@
 # SPDX-License-Identifier: CC0-1.0
 
 parameters:
-    level: 2
+    level: 3
 
     paths:
-        - addon/
+        # - addon/
         - bin/auth_ejabberd.php
         - bin/console.php
         - bin/daemon.php
@@ -47,26 +47,26 @@ parameters:
             message: '(^Parameter .+ has invalid type IMAP\\Connection\.$)'
             path: src
 
-        -
+        # -
             # Ignore missing SMTP class in PHPMailer 5.2.21
             # see https://github.com/PHPMailer/PHPMailer/blob/v5.2.21/class.smtp.php
-            message: '(^.+ an unknown class SMTP\.$)'
-            path: addon/mailstream/phpmailer
+            # message: '(^.+ an unknown class SMTP\.$)'
+            # path: addon/mailstream/phpmailer
 
-        -
+        # -
             # Ignore missing SMTP class in PHPMailer 5.2.21
             # see https://github.com/PHPMailer/PHPMailer/blob/v5.2.21/class.smtp.php
-            message: '(^Property .+ has unknown class SMTP as its type\.$)'
-            path: addon/mailstream/phpmailer
+            # message: '(^Property .+ has unknown class SMTP as its type\.$)'
+            # path: addon/mailstream/phpmailer
 
-        -
+        # -
             # Ignore missing SMTP class in PHPMailer 5.2.21
             # see https://github.com/PHPMailer/PHPMailer/blob/v5.2.21/class.smtp.php
-            message: '(^Method .+ has invalid return type SMTP\.$)'
-            path: addon/mailstream/phpmailer
+            # message: '(^Method .+ has invalid return type SMTP\.$)'
+            # path: addon/mailstream/phpmailer
 
-        -
+        # -
             # Ignore missing SMTP class in PHPMailer 5.2.21
             # see https://github.com/PHPMailer/PHPMailer/blob/v5.2.21/class.smtp.php
-            message: '(^Instantiated class SMTP not found\.$)'
-            path: addon/mailstream/phpmailer
+            # message: '(^Instantiated class SMTP not found\.$)'
+            # path: addon/mailstream/phpmailer