diff --git a/roles/matrix-bridge-mautrix-telegram/templates/config.yaml.j2 b/roles/matrix-bridge-mautrix-telegram/templates/config.yaml.j2
index 40549721f..b22882578 100644
--- a/roles/matrix-bridge-mautrix-telegram/templates/config.yaml.j2
+++ b/roles/matrix-bridge-mautrix-telegram/templates/config.yaml.j2
@@ -105,11 +105,11 @@ bridge:
     # synced when they send messages. The maximum is 10000, after which the Telegram server
     # will not send any more members.
     # Defaults to no local limit (-> limited to 10000 by server)
-    max_initial_member_sync: -1
+    max_initial_member_sync: 10
     # Whether or not to sync the member list in channels.
     # If no channel admins have logged into the bridge, the bridge won't be able to sync the member
     # list regardless of this setting.
-    sync_channel_members: true
+    sync_channel_members: false
     # Whether or not to skip deleted members when syncing members.
     skip_deleted_members: true
     # Whether or not to automatically synchronize contacts and chats of Matrix users logged into
@@ -204,7 +204,7 @@ bridge:
     # been sent to Telegram.
     delivery_receipts: false
     # Whether or not delivery errors should be reported as messages in the Matrix room.
-    delivery_error_reports: false
+    delivery_error_reports: true
     # Set this to true to tell the bridge to re-send m.bridge events to all rooms on the next run.
     # This field will automatically be changed back to false after it,
     # except if the config file is not writable.