diff --git a/modoboa_installer/scripts/rspamd.py b/modoboa_installer/scripts/rspamd.py
index 146576d..1f49d40 100644
--- a/modoboa_installer/scripts/rspamd.py
+++ b/modoboa_installer/scripts/rspamd.py
@@ -132,6 +132,23 @@ class Rspamd(base.Installer):
         if self.config.getboolean("clamav", "enabled"):
             install("clamav", self.config, self.upgrade, self.archive_path)
 
+    def backup(self, path):
+        self._dump_database(path)
+        super().backup(path)
+
+    def _dump_database(self, backup_path: str):
+        """Copy the rrd file containing the redis db for rspamd.
+        Uses the default path on debian 13,
+        it may be somewhere else on other distros..."""
+        rspamd_redis_db = "/var/lib/rspamd/rspamd.rrd"
+        if not os.path.isfile(rspamd_redis_db):
+            return
+        target_dir = os.path.join(backup_path, "databases")
+        target_file = os.path.join(target_dir, "rspamd.rrd")
+        system.stop_service("redis")
+        utils.copy_file(rspamd_redis_db, target_file)
+        system.restart_service("redis")
+
     def custom_backup(self, path):
         """Backup custom configuration if any."""
         custom_config_dir = os.path.join(self.config_dir, "local.d/")
@@ -140,10 +157,13 @@ class Rspamd(base.Installer):
             for f in os.listdir(custom_config_dir)
             if os.path.isfile(os.path.join(custom_config_dir, f))
         ]
+        backup_locald_path = os.path.join(path, "local.d")
+        if local_files:
+            utils.mkdir_safe(backup_locald_path)
         for file in local_files:
             basename = os.path.basename(file)
-            utils.copy_file(file, os.path.join(path, basename))
-        if len(local_files) != 0:
+            utils.copy_file(file, os.path.join(backup_locald_path, basename))
+        if local_files:
             utils.success("Rspamd custom configuration saved!")
 
     def restore(self):
@@ -157,4 +177,10 @@ class Rspamd(base.Installer):
         ]
         for f in backed_up_files:
             utils.copy_file(f, custom_config_dir)
+        rspamd_redis_db = "/var/lib/rspamd"
+        rspamd_redis_db_backup = os.path.join(self.archive_path, "databases/rspamd.rrd")
+        if os.path.isdir(rspamd_redis_db) and os.path.isfile(rspamd_redis_db_backup):
+            system.stop_service("redis")
+            utils.copy_file(rspamd_redis_db_backup, rspamd_redis_db)
+            system.restart_service("redis")
         utils.success("Custom Rspamd configuration restored.")
diff --git a/modoboa_installer/system.py b/modoboa_installer/system.py
index 469356f..ba229ff 100644
--- a/modoboa_installer/system.py
+++ b/modoboa_installer/system.py
@@ -16,12 +16,13 @@ def create_user(name, home=None):
     else:
         extra_message = "."
         if home:
-            extra_message = (
-                " but please make sure the {} directory exists.".format(
-                    home))
+            extra_message = " but please make sure the {} directory exists.".format(
+                home
+            )
         utils.printcolor(
-            "User {} already exists, skipping creation{}".format(
-                name, extra_message), utils.YELLOW)
+            "User {} already exists, skipping creation{}".format(name, extra_message),
+            utils.YELLOW,
+        )
         return
     cmd = "useradd -m "
     if home:
@@ -62,3 +63,8 @@ def enable_and_start_service(name):
 def restart_service(name):
     """Restart a service."""
     utils.exec_cmd("service {} restart".format(name))
+
+
+def stop_service(name):
+    """Stop a service."""
+    utils.exec_cmd(f"service {name} stop")