diff --git a/internal/web/service/client_apply_field_test.go b/internal/web/service/client_apply_field_test.go
index 56db2df2e..952258208 100644
--- a/internal/web/service/client_apply_field_test.go
+++ b/internal/web/service/client_apply_field_test.go
@@ -7,6 +7,7 @@ import (
 
 	"github.com/mhsanaei/3x-ui/v3/internal/database"
 	"github.com/mhsanaei/3x-ui/v3/internal/database/model"
+	"github.com/mhsanaei/3x-ui/v3/internal/xray"
 )
 
 // TestResetClientExpiryTimeByEmail_MultiInbound reproduces #5039: a client
@@ -86,3 +87,68 @@ func TestResetClientExpiryTimeByEmail_MultiInbound(t *testing.T) {
 		t.Errorf("client record expiry = %d, want %d", rec.ExpiryTime, newExpiry)
 	}
 }
+
+// A disable-by-email (Telegram bot / LDAP sync) must flip enable on every
+// inbound the client is attached to. Patching only the first inbound left the
+// client connecting through its siblings' running Xray.
+func TestSetClientEnableByEmail_MultiInbound(t *testing.T) {
+	dbDir := t.TempDir()
+	t.Setenv("XUI_DB_FOLDER", dbDir)
+	if err := database.InitDB(filepath.Join(dbDir, "x-ui.db")); err != nil {
+		t.Fatalf("InitDB: %v", err)
+	}
+	t.Cleanup(func() { _ = database.CloseDB() })
+
+	db := database.GetDB()
+
+	const email = "multienable@example.com"
+	const uid = "ce8d33df-3a64-4f10-8f9b-91c3a8e0c222"
+	clientJSON := `{"clients":[{"email":"` + email + `","id":"` + uid + `","enable":true,"subId":"sub-en-1"}]}`
+
+	first := &model.Inbound{
+		Tag: "vless-en-a", Enable: true, Port: 50011, Protocol: model.VLESS,
+		StreamSettings: `{"network":"tcp","security":"reality"}`, Settings: clientJSON,
+	}
+	second := &model.Inbound{
+		Tag: "vless-en-b", Enable: true, Port: 50012, Protocol: model.VLESS,
+		StreamSettings: `{"network":"ws","security":"tls"}`, Settings: clientJSON,
+	}
+	for _, ib := range []*model.Inbound{first, second} {
+		if err := db.Create(ib).Error; err != nil {
+			t.Fatalf("create inbound %s: %v", ib.Tag, err)
+		}
+	}
+
+	clientSvc := ClientService{}
+	inboundSvc := InboundService{}
+	for _, ib := range []*model.Inbound{first, second} {
+		clients, err := inboundSvc.GetClients(ib)
+		if err != nil {
+			t.Fatalf("GetClients(%s): %v", ib.Tag, err)
+		}
+		if err := clientSvc.SyncInbound(nil, ib.Id, clients); err != nil {
+			t.Fatalf("SyncInbound(%s): %v", ib.Tag, err)
+		}
+	}
+	if err := db.Create(&xray.ClientTraffic{InboundId: first.Id, Email: email, Enable: true}).Error; err != nil {
+		t.Fatalf("seed traffic: %v", err)
+	}
+
+	if _, _, err := clientSvc.SetClientEnableByEmail(&inboundSvc, email, false); err != nil {
+		t.Fatalf("SetClientEnableByEmail: %v", err)
+	}
+
+	for _, ib := range []*model.Inbound{first, second} {
+		fresh, err := inboundSvc.GetInbound(ib.Id)
+		if err != nil {
+			t.Fatalf("GetInbound(%s): %v", ib.Tag, err)
+		}
+		clients, err := inboundSvc.GetClients(fresh)
+		if err != nil {
+			t.Fatalf("GetClients(%s): %v", ib.Tag, err)
+		}
+		if len(clients) != 1 || clients[0].Enable {
+			t.Errorf("inbound %s: client still enabled after disable-by-email; a sibling inbound kept access", ib.Tag)
+		}
+	}
+}
diff --git a/internal/web/service/client_inbound_apply.go b/internal/web/service/client_inbound_apply.go
index 89e787fa0..80105abd9 100644
--- a/internal/web/service/client_inbound_apply.go
+++ b/internal/web/service/client_inbound_apply.go
@@ -1142,62 +1142,18 @@ func (s *ClientService) CheckIsEnabledByEmail(inboundSvc *InboundService, client
 }
 
 func (s *ClientService) ToggleClientEnableByEmail(inboundSvc *InboundService, clientEmail string) (bool, bool, error) {
-	_, inbound, err := inboundSvc.GetClientInboundByEmail(clientEmail)
+	current, err := s.CheckIsEnabledByEmail(inboundSvc, clientEmail)
 	if err != nil {
 		return false, false, err
 	}
-	if inbound == nil {
-		return false, false, common.NewError("Inbound Not Found For Email:", clientEmail)
-	}
-
-	oldClients, err := inboundSvc.GetClients(inbound)
-	if err != nil {
-		return false, false, err
-	}
-
-	found := false
-	clientOldEnabled := false
-
-	for _, oldClient := range oldClients {
-		if oldClient.Email == clientEmail {
-			found = true
-			clientOldEnabled = oldClient.Enable
-			break
-		}
-	}
-
-	if !found {
-		return false, false, common.NewError("Client Not Found For Email:", clientEmail)
-	}
-
-	var settings map[string]any
-	err = json.Unmarshal([]byte(inbound.Settings), &settings)
-	if err != nil {
-		return false, false, err
-	}
-	clients := settings["clients"].([]any)
-	var newClients []any
-	for client_index := range clients {
-		c := clients[client_index].(map[string]any)
-		if c["email"] == clientEmail {
-			c["enable"] = !clientOldEnabled
-			c["updated_at"] = time.Now().Unix() * 1000
-			newClients = append(newClients, any(c))
-		}
-	}
-	settings["clients"] = newClients
-	modifiedSettings, err := json.MarshalIndent(settings, "", "  ")
-	if err != nil {
-		return false, false, err
-	}
-	inbound.Settings = string(modifiedSettings)
-
-	needRestart, err := s.UpdateInboundClient(inboundSvc, inbound, clientEmail)
+	target := !current
+	needRestart, err := s.applyClientFieldByEmail(inboundSvc, clientEmail, func(c map[string]any) {
+		c["enable"] = target
+	})
 	if err != nil {
 		return false, needRestart, err
 	}
-
-	return !clientOldEnabled, needRestart, nil
+	return target, needRestart, nil
 }
 
 func (s *ClientService) SetClientEnableByEmail(inboundSvc *InboundService, clientEmail string, enable bool) (bool, bool, error) {
@@ -1208,11 +1164,13 @@ func (s *ClientService) SetClientEnableByEmail(inboundSvc *InboundService, clien
 	if current == enable {
 		return false, false, nil
 	}
-	newEnabled, needRestart, err := s.ToggleClientEnableByEmail(inboundSvc, clientEmail)
+	needRestart, err := s.applyClientFieldByEmail(inboundSvc, clientEmail, func(c map[string]any) {
+		c["enable"] = enable
+	})
 	if err != nil {
 		return false, needRestart, err
 	}
-	return newEnabled == enable, needRestart, nil
+	return true, needRestart, nil
 }
 
 // applyClientFieldByEmail loads the inbound currently hosting clientEmail,