diff --git a/internal/store/accounts.go b/internal/store/accounts.go
index 015bdaa..ef94512 100644
--- a/internal/store/accounts.go
+++ b/internal/store/accounts.go
@@ -6,19 +6,21 @@ import (
 )
 
 type Account struct {
-	ID            int64
-	TaskID        int64
-	SrcLogin      string
-	SrcPassEnc    string
-	DstLogin      string
-	DstPassEnc    string
-	TestSrcStatus string
-	TestDstStatus string
-	Status        string
-	Copied        int64
-	Skipped       int64
-	Errors        int64
-	LastError     string
+	ID              int64
+	TaskID          int64
+	SrcLogin        string
+	SrcPassEnc      string
+	DstLogin        string
+	DstPassEnc      string
+	TestSrcStatus   string
+	TestDstStatus   string
+	Status          string
+	Copied          int64
+	Skipped         int64
+	Errors          int64
+	LastError       string
+	FolderMapping   map[string]string
+	ExcludedFolders []string
 }
 
 func (s *Store) CreateAccount(ctx context.Context, a Account) (int64, error) {
@@ -39,7 +41,8 @@ func (s *Store) DeleteAccount(ctx context.Context, id int64) error {
 func (s *Store) ListAccountsByTask(ctx context.Context, taskID int64) ([]Account, error) {
 	rows, err := s.Pool.Query(ctx,
 		`SELECT id, task_id, src_login, src_pass_enc, dst_login, dst_pass_enc,
-		        test_src_status, test_dst_status, status, copied_count, skipped_count, error_count, last_error
+		        test_src_status, test_dst_status, status, copied_count, skipped_count,
+		        error_count, last_error, folder_mapping, excluded_folders
 		 FROM accounts WHERE task_id=$1 ORDER BY id`, taskID)
 	if err != nil {
 		return nil, err
@@ -49,7 +52,8 @@ func (s *Store) ListAccountsByTask(ctx context.Context, taskID int64) ([]Account
 	for rows.Next() {
 		var a Account
 		if err := rows.Scan(&a.ID, &a.TaskID, &a.SrcLogin, &a.SrcPassEnc, &a.DstLogin, &a.DstPassEnc,
-			&a.TestSrcStatus, &a.TestDstStatus, &a.Status, &a.Copied, &a.Skipped, &a.Errors, &a.LastError); err != nil {
+			&a.TestSrcStatus, &a.TestDstStatus, &a.Status, &a.Copied, &a.Skipped, &a.Errors, &a.LastError,
+			&a.FolderMapping, &a.ExcludedFolders); err != nil {
 			return nil, err
 		}
 		out = append(out, a)
@@ -95,3 +99,19 @@ func (s *Store) IncAccountCounters(ctx context.Context, id, copied, skipped, err
 		id, copied, skipped, errs)
 	return err
 }
+
+// SetAccountFolderMapping persists an account's per-folder rename map and the
+// set of source folders to skip. nil is normalized to empty so JSONB stays
+// '{}' / '[]' rather than null.
+func (s *Store) SetAccountFolderMapping(ctx context.Context, id int64, mapping map[string]string, excluded []string) error {
+	if mapping == nil {
+		mapping = map[string]string{}
+	}
+	if excluded == nil {
+		excluded = []string{}
+	}
+	_, err := s.Pool.Exec(ctx,
+		`UPDATE accounts SET folder_mapping=$2, excluded_folders=$3 WHERE id=$1`,
+		id, mapping, excluded)
+	return err
+}
diff --git a/internal/store/accounts_test.go b/internal/store/accounts_test.go
index 0057e21..02277a5 100644
--- a/internal/store/accounts_test.go
+++ b/internal/store/accounts_test.go
@@ -64,3 +64,31 @@ func TestResetAccountCounters(t *testing.T) {
 			a.Copied, a.Skipped, a.Errors)
 	}
 }
+
+func TestSetAccountFolderMapping(t *testing.T) {
+	s := testStore(t)
+	ctx := context.Background()
+	epSrc, _ := s.CreateEndpoint(ctx, Endpoint{RoleLabel: "src", Host: "a", Port: 993, TLSMode: "ssl"})
+	epDst, _ := s.CreateEndpoint(ctx, Endpoint{RoleLabel: "dst", Host: "b", Port: 993, TLSMode: "ssl"})
+	taskID, _ := s.CreateTask(ctx, Task{Name: "t", SrcEndpointID: epSrc, DstEndpointID: epDst})
+	accID, _ := s.CreateAccount(ctx, Account{TaskID: taskID, SrcLogin: "u", SrcPassEnc: "x", DstLogin: "u2", DstPassEnc: "y"})
+
+	// Fresh account defaults: empty map, empty exclusions (not nil after scan).
+	accs, _ := s.ListAccountsByTask(ctx, taskID)
+	if len(accs) != 1 || len(accs[0].FolderMapping) != 0 || len(accs[0].ExcludedFolders) != 0 {
+		t.Fatalf("defaults: map=%v excl=%v", accs[0].FolderMapping, accs[0].ExcludedFolders)
+	}
+
+	if err := s.SetAccountFolderMapping(ctx, accID,
+		map[string]string{"Спам": "Spam"}, []string{"Trash"}); err != nil {
+		t.Fatalf("set: %v", err)
+	}
+	accs, _ = s.ListAccountsByTask(ctx, taskID)
+	a := accs[0]
+	if a.FolderMapping["Спам"] != "Spam" {
+		t.Fatalf("mapping not persisted: %v", a.FolderMapping)
+	}
+	if len(a.ExcludedFolders) != 1 || a.ExcludedFolders[0] != "Trash" {
+		t.Fatalf("excluded not persisted: %v", a.ExcludedFolders)
+	}
+}
diff --git a/migrations/0003_account_folder_mapping.down.sql b/migrations/0003_account_folder_mapping.down.sql
new file mode 100644
index 0000000..9a7c8dc
--- /dev/null
+++ b/migrations/0003_account_folder_mapping.down.sql
@@ -0,0 +1,2 @@
+ALTER TABLE accounts DROP COLUMN excluded_folders;
+ALTER TABLE accounts DROP COLUMN folder_mapping;
diff --git a/migrations/0003_account_folder_mapping.up.sql b/migrations/0003_account_folder_mapping.up.sql
new file mode 100644
index 0000000..941b958
--- /dev/null
+++ b/migrations/0003_account_folder_mapping.up.sql
@@ -0,0 +1,6 @@
+ALTER TABLE accounts ADD COLUMN folder_mapping   JSONB NOT NULL DEFAULT '{}';
+ALTER TABLE accounts ADD COLUMN excluded_folders JSONB NOT NULL DEFAULT '[]';
+
+-- Carry the existing task-wide mapping onto its accounts so behavior is preserved.
+UPDATE accounts a SET folder_mapping = t.folder_mapping
+  FROM tasks t WHERE a.task_id = t.id AND t.folder_mapping <> '{}'::jsonb;