diff --git a/lib/features/mailbox_dashboard/data/datasource/spam_report_datasource.dart b/lib/features/mailbox_dashboard/data/datasource/spam_report_datasource.dart
index 3918fe39d..aa68112c2 100644
--- a/lib/features/mailbox_dashboard/data/datasource/spam_report_datasource.dart
+++ b/lib/features/mailbox_dashboard/data/datasource/spam_report_datasource.dart
@@ -1,6 +1,7 @@
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:jmap_dart_client/jmap/core/unsigned_int.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox_filter_condition.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/model/spam_report_state.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/model/unread_spam_emails_response.dart';
@@ -26,4 +27,6 @@ abstract class SpamReportDataSource {
   Future<void> storeSpamReportState(SpamReportState spamReportState);
 
   Future<void> deleteSpamReportState();
+
+  Future<Mailbox> getSpamMailboxCached();
 }
\ No newline at end of file
diff --git a/lib/features/mailbox_dashboard/domain/repository/spam_report_repository.dart b/lib/features/mailbox_dashboard/domain/repository/spam_report_repository.dart
index 6fde03871..08a87b65a 100644
--- a/lib/features/mailbox_dashboard/domain/repository/spam_report_repository.dart
+++ b/lib/features/mailbox_dashboard/domain/repository/spam_report_repository.dart
@@ -1,6 +1,7 @@
 import 'package:jmap_dart_client/jmap/account_id.dart';
 import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:jmap_dart_client/jmap/core/unsigned_int.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox_filter_condition.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/model/spam_report_state.dart';
 import 'package:tmail_ui_user/features/mailbox_dashboard/domain/model/unread_spam_emails_response.dart';
@@ -26,4 +27,6 @@ abstract class SpamReportRepository {
   Future<void> storeSpamReportState(SpamReportState spamReportState);
 
   Future<void> deleteSpamReportState();
+
+  Future<Mailbox> getSpamMailboxCached();
 }
\ No newline at end of file