diff --git a/containers/backupchecks/src/backend/app/main/routes_settings.py b/containers/backupchecks/src/backend/app/main/routes_settings.py
index 189fa7d..af9f86a 100644
--- a/containers/backupchecks/src/backend/app/main/routes_settings.py
+++ b/containers/backupchecks/src/backend/app/main/routes_settings.py
@@ -408,6 +408,7 @@ def settings():
 
     if request.method == "POST":
         autotask_form_touched = any(str(k).startswith("autotask_") for k in (request.form or {}).keys())
+        import_form_touched = any(str(k).startswith("auto_import_") or str(k).startswith("manual_import_") or str(k).startswith("ingest_eml_") for k in (request.form or {}).keys())
 
         # NOTE: The Settings UI has multiple tabs with separate forms.
         # Only update values that are present in the submitted form, to avoid
@@ -505,7 +506,9 @@ def settings():
                 settings.daily_jobs_start_date = None
 
         # Import configuration
-        if "auto_import_enabled" in request.form:
+        # Checkbox: only update when any import field is present (form was submitted)
+        # Unchecked checkboxes are not sent by browsers, so check import_form_touched
+        if import_form_touched:
             settings.auto_import_enabled = bool(request.form.get("auto_import_enabled"))
 
         if "auto_import_interval_minutes" in request.form:
diff --git a/docs/changelog-claude.md b/docs/changelog-claude.md
index d8fe517..3b80360 100644
--- a/docs/changelog-claude.md
+++ b/docs/changelog-claude.md
@@ -32,6 +32,7 @@ This file documents all changes made to this project via Claude Code.
     - If time entries exist: keeps current status unchanged (ticket remains open)
 
 ### Fixed
+- Automatic mail import can now be disabled in Settings after being enabled (fixed unchecked checkbox not being processed)
 - Autotask "Link existing" search box now clears when opening the modal instead of retaining previous search text
 - Autotask customer mapping search box now clears when opening the edit modal instead of retaining previous search text
 - Autotask ticket resolution update now correctly preserves exact field values from GET response in PUT payload.