diff --git a/components/filters/filter-rule-modal.tsx b/components/filters/filter-rule-modal.tsx
index 564f9e8b3..7c673e1aa 100644
--- a/components/filters/filter-rule-modal.tsx
+++ b/components/filters/filter-rule-modal.tsx
@@ -107,6 +107,7 @@ export function FilterRuleModal({
     rule?.actions.length ? [...rule.actions] : [makeEmptyAction()]
   );
   const [stopProcessing, setStopProcessing] = useState(rule?.stopProcessing ?? false);
+  const [includeSpam, setIncludeSpam] = useState(rule?.includeSpam ?? false);
 
   const modalRef = useFocusTrap({ isActive: true, onEscape: onClose });
 
@@ -193,8 +194,9 @@ export function FilterRuleModal({
       conditions: validConditions,
       actions: validActions,
       stopProcessing,
+      ...(includeSpam && validActions.some((a) => ACTIONS_WITH_MAILBOX.has(a.type)) ? { includeSpam: true } : {}),
     });
-  }, [name, matchType, conditions, actions, stopProcessing, rule, onSave, t, mailboxIdFor, mailboxPathMap]);
+  }, [name, matchType, conditions, actions, stopProcessing, includeSpam, rule, onSave, t, mailboxIdFor, mailboxPathMap]);
 
   const updateCondition = (index: number, updates: Partial<FilterCondition>) => {
     setConditions((prev) =>
@@ -586,6 +588,21 @@ export function FilterRuleModal({
               {t("stop_processing")}
             </label>
           </div>
+
+          {actions.some((a) => ACTIONS_WITH_MAILBOX.has(a.type)) && (
+            <div className="flex items-center gap-2">
+              <input
+                type="checkbox"
+                id="includeSpam"
+                checked={includeSpam}
+                onChange={(e) => setIncludeSpam(e.target.checked)}
+                className="rounded border-input"
+              />
+              <label htmlFor="includeSpam" className="text-sm text-foreground">
+                {t("include_spam")}
+              </label>
+            </div>
+          )}
         </div>
 
         <div className="flex items-center justify-end gap-2 px-6 py-4 border-t border-border">
diff --git a/lib/jmap/sieve-types.ts b/lib/jmap/sieve-types.ts
index c2427f429..d2e78c7fb 100644
--- a/lib/jmap/sieve-types.ts
+++ b/lib/jmap/sieve-types.ts
@@ -74,6 +74,11 @@ export interface FilterRule {
   conditions: FilterCondition[];
   actions: FilterAction[];
   stopProcessing: boolean;
+  /**
+   * Also move/copy messages the server marked as spam. Off by default, so a
+   * folder rule does not pull spam out of Junk.
+   */
+  includeSpam?: boolean;
   origin?: FilterOrigin;
   originLabel?: string;
   rawBlock?: string;
diff --git a/lib/sieve/__tests__/generator.test.ts b/lib/sieve/__tests__/generator.test.ts
index 665730b7c..6ad885628 100644
--- a/lib/sieve/__tests__/generator.test.ts
+++ b/lib/sieve/__tests__/generator.test.ts
@@ -305,6 +305,40 @@ describe('generateScript', () => {
     });
   });
 
+  describe('spam guard', () => {
+    const exts = ['fileinto', 'relational', 'spamtest', 'spamtestplus'];
+    const guard = 'not spamtest :percent :value "ge" :comparator "i;ascii-numeric" "50"';
+
+    it('keeps spam out of folder moves', () => {
+      const script = generateScript([makeRule()], undefined, { extensions: exts });
+      expect(script).toContain(`if allof(header :contains "From" "test@example.com", ${guard}) {`);
+      expect(script).toContain('require ["comparator-i;ascii-numeric", "fileinto", "relational", "spamtestplus"];');
+    });
+
+    it('extends an allof and wraps an anyof', () => {
+      const conditions = [
+        { field: 'from' as const, comparator: 'contains' as const, value: 'a' },
+        { field: 'subject' as const, comparator: 'contains' as const, value: 'b' },
+      ];
+      const all = generateScript([makeRule({ conditions })], undefined, { extensions: exts });
+      expect(all).toContain(`if allof(header :contains "From" "a", header :contains "Subject" "b", ${guard}) {`);
+      const any = generateScript([makeRule({ conditions, matchType: 'any' })], undefined, { extensions: exts });
+      expect(any).toContain(`if allof(anyof(header :contains "From" "a", header :contains "Subject" "b"), ${guard}) {`);
+    });
+
+    it('leaves keep rules, opted-in rules and servers without spamtestplus alone', () => {
+      const keep = makeRule({ actions: [{ type: 'keep' }] });
+      const optIn = makeRule({ id: 'r2', name: 'Opt in', includeSpam: true });
+      expect(generateScript([keep, optIn], undefined, { extensions: exts })).not.toContain('spamtest');
+      expect(generateScript([makeRule()], undefined, { extensions: ['fileinto'] })).not.toContain('spamtest');
+    });
+
+    it('round-trips the opt-in', () => {
+      const parsed = parseScript(generateScript([makeRule({ includeSpam: true })], undefined, { extensions: exts }));
+      expect(parsed.rules[0].includeSpam).toBe(true);
+    });
+  });
+
   describe('vacation include', () => {
     it('includes the server vacation script before the rules', () => {
       const script = generateScript([makeRule()], undefined, { includeVacation: true });
diff --git a/lib/sieve/generator.ts b/lib/sieve/generator.ts
index 469ad5c23..ae77d849c 100644
--- a/lib/sieve/generator.ts
+++ b/lib/sieve/generator.ts
@@ -130,7 +130,8 @@ function generateActions(actions: FilterAction[], useMailboxId: boolean): string
         // A bare `keep;` delivers to the "default place", which on Stalwart is
         // Junk for a message its spam filter has already classified, so an
         // allow-list rule made with "Keep" would change nothing. An explicit
-        // `fileinto "INBOX"` is honored over the spam verdict (#1027).
+        // `fileinto "INBOX"` is honored over the spam verdict (#1027), but
+        // only from Stalwart 0.16.22; older versions still move it to Junk.
         return 'fileinto "INBOX";';
       case 'stop':
         return 'stop;';
@@ -138,7 +139,32 @@ function generateActions(actions: FilterAction[], useMailboxId: boolean): string
   });
 }
 
-function computeRequires(rules: FilterRule[], vacation: VacationSieveConfig | undefined, useMailboxId: boolean): string[] {
+// Stalwart maps its spam verdict to 100 % (0.16.0) or to a graded value where
+// 50 % is the spam threshold (0.16.19+), so ">= 50" matches "is spam" on both.
+const SPAM_GUARD = 'not spamtest :percent :value "ge" :comparator "i;ascii-numeric" "50"';
+const SPAM_GUARD_REQUIRES = ['spamtestplus', 'relational', 'comparator-i;ascii-numeric'];
+
+function supportsSpamGuard(extensions: string[] | undefined): boolean {
+  return ['spamtestplus', 'relational'].every(e => extensions?.includes(e));
+}
+
+/**
+ * A folder move takes a message out of the Junk folder the server would have
+ * put it in, so move/copy rules skip spam unless the rule opts in. "Keep"
+ * rules are allow-lists and stay unguarded.
+ */
+function needsSpamGuard(rule: FilterRule, extensions: string[] | undefined): boolean {
+  return !rule.includeSpam &&
+    rule.actions.some(a => a.type === 'move' || a.type === 'copy') &&
+    supportsSpamGuard(extensions);
+}
+
+function computeRequires(
+  rules: FilterRule[],
+  vacation: VacationSieveConfig | undefined,
+  useMailboxId: boolean,
+  serverExtensions: string[] | undefined,
+): string[] {
   const extensions = new Set<string>();
   const enabledRules = rules.filter(r => r.enabled);
 
@@ -147,6 +173,9 @@ function computeRequires(rules: FilterRule[], vacation: VacationSieveConfig | un
   }
 
   for (const rule of enabledRules) {
+    if (needsSpamGuard(rule, serverExtensions)) {
+      for (const e of SPAM_GUARD_REQUIRES) extensions.add(e);
+    }
     for (const condition of rule.conditions) {
       if (condition.field === 'body') extensions.add('body');
       if (condition.field === 'attachment') extensions.add('mime');
@@ -193,6 +222,7 @@ function stripRuleForMetadata(r: FilterRule): Omit<FilterRule, 'origin' | 'origi
     conditions: r.conditions,
     actions: r.actions,
     stopProcessing: r.stopProcessing,
+    ...(r.includeSpam ? { includeSpam: true } : {}),
   };
 }
 
@@ -251,7 +281,7 @@ export function generateScript(
   lines.push('');
 
   const useMailboxId = options.extensions?.includes('mailboxid') ?? false;
-  const bulwarkRequires = computeRequires(bulwarkRules, vacation, useMailboxId);
+  const bulwarkRequires = computeRequires(bulwarkRules, vacation, useMailboxId, options.extensions);
   if (options.includeVacation) bulwarkRequires.push('include');
   const externalRequires = options.externalRequires ?? [];
   const allRequires = [...new Set([...bulwarkRequires, ...externalRequires])].sort();
@@ -302,6 +332,12 @@ export function generateScript(
       conditionStr = `${wrapper}(${conditions.join(', ')})`;
     }
 
+    if (needsSpamGuard(rule, options.extensions)) {
+      conditionStr = conditions.length > 1 && rule.matchType === 'all'
+        ? `allof(${conditions.join(', ')}, ${SPAM_GUARD})`
+        : `allof(${conditionStr}, ${SPAM_GUARD})`;
+    }
+
     const actionLines = generateActions(rule.actions, useMailboxId);
 
     if (rule.stopProcessing) {
diff --git a/locales/ar/common.json b/locales/ar/common.json
index b8a34d45e..a6c736d7b 100644
--- a/locales/ar/common.json
+++ b/locales/ar/common.json
@@ -2002,6 +2002,7 @@
       "actions": "الإجراءات",
       "add_action": "إضافة إجراء",
       "stop_processing": "إيقاف معالجة القواعد التالية",
+      "include_spam": "نقل الرسائل المصنفة كرسائل مزعجة أيضًا",
       "attachment_type_placeholder": "مثال: pdf, doc, jpg",
       "value_placeholder_multi": "القيمة (عدة قيم مفصولة بفواصل)",
       "condition_fields": {
diff --git a/locales/ca/common.json b/locales/ca/common.json
index 064c1d599..3c1e7c7c7 100644
--- a/locales/ca/common.json
+++ b/locales/ca/common.json
@@ -2002,6 +2002,7 @@
       "actions": "Accions",
       "add_action": "Afegeix una acció",
       "stop_processing": "Atura el processament de les regles següents",
+      "include_spam": "Mou també els missatges marcats com a correu brossa",
       "attachment_type_placeholder": "p. ex. pdf, doc, jpg",
       "value_placeholder_multi": "Valor (múltiples separats per comes)",
       "condition_fields": {
diff --git a/locales/cs/common.json b/locales/cs/common.json
index 5215bb087..bf994926a 100644
--- a/locales/cs/common.json
+++ b/locales/cs/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Akce",
       "add_action": "Přidat akci",
       "stop_processing": "Zastavit zpracování dalších pravidel",
+      "include_spam": "Přesouvat i zprávy označené jako spam",
       "attachment_type_placeholder": "např. pdf, doc, jpg",
       "value_placeholder_multi": "Hodnota (více oddělených čárkami)",
       "condition_fields": {
diff --git a/locales/da/common.json b/locales/da/common.json
index 85f6d26e7..f04ede91b 100644
--- a/locales/da/common.json
+++ b/locales/da/common.json
@@ -1998,6 +1998,7 @@
       "actions": "Handlinger",
       "add_action": "Tilføj handling",
       "stop_processing": "Stop behandling af efterfølgende regler",
+      "include_spam": "Flyt også beskeder, der er markeret som spam",
       "attachment_type_placeholder": "f.eks. pdf, doc, jpg",
       "value_placeholder_multi": "Værdi (flere adskilt med komma)",
       "condition_fields": {
diff --git a/locales/de/common.json b/locales/de/common.json
index c2e5049a1..0dbed8760 100644
--- a/locales/de/common.json
+++ b/locales/de/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Aktionen",
       "add_action": "Aktion hinzufügen",
       "stop_processing": "Verarbeitung nachfolgender Regeln stoppen",
+      "include_spam": "Auch als Spam markierte Nachrichten verschieben",
       "attachment_type_placeholder": "z.B. pdf, doc, jpg",
       "value_placeholder_multi": "Wert (mehrere mit Komma trennen)",
       "condition_fields": {
diff --git a/locales/en/common.json b/locales/en/common.json
index ebe06980e..851a0e4fd 100644
--- a/locales/en/common.json
+++ b/locales/en/common.json
@@ -2002,6 +2002,7 @@
       "actions": "Actions",
       "add_action": "Add Action",
       "stop_processing": "Stop processing subsequent rules",
+      "include_spam": "Also move messages marked as spam",
       "attachment_type_placeholder": "e.g. pdf, doc, jpg",
       "value_placeholder_multi": "Value (multiple separated by commas)",
       "condition_fields": {
diff --git a/locales/es/common.json b/locales/es/common.json
index a29bba8a6..aa5a72a05 100644
--- a/locales/es/common.json
+++ b/locales/es/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Acciones",
       "add_action": "Agregar acción",
       "stop_processing": "Detener el procesamiento de reglas posteriores",
+      "include_spam": "Mover también los mensajes marcados como spam",
       "attachment_type_placeholder": "p. ej. pdf, doc, jpg",
       "value_placeholder_multi": "Valor (varios separados por comas)",
       "condition_fields": {
diff --git a/locales/fa/common.json b/locales/fa/common.json
index 6c334ae40..40a96f9c8 100644
--- a/locales/fa/common.json
+++ b/locales/fa/common.json
@@ -2002,6 +2002,7 @@
       "actions": "عملیات‌ها",
       "add_action": "افزودن عملیات",
       "stop_processing": "توقف پردازش قوانین بعدی",
+      "include_spam": "پیام‌های علامت‌خورده به‌عنوان هرزنامه هم منتقل شوند",
       "attachment_type_placeholder": "مثال: pdf, doc, jpg",
       "value_placeholder_multi": "مقدار (چندتا با کاما جدا شوند)",
       "condition_fields": {
diff --git a/locales/fr/common.json b/locales/fr/common.json
index 906b53369..6fd321684 100644
--- a/locales/fr/common.json
+++ b/locales/fr/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Actions",
       "add_action": "Ajouter une action",
       "stop_processing": "Arrêter le traitement des règles suivantes",
+      "include_spam": "Déplacer aussi les messages marqués comme spam",
       "attachment_type_placeholder": "p. ex. pdf, doc, jpg",
       "value_placeholder_multi": "Valeur (plusieurs séparées par des virgules)",
       "condition_fields": {
diff --git a/locales/he/common.json b/locales/he/common.json
index 7c342d3e7..27d3d8741 100644
--- a/locales/he/common.json
+++ b/locales/he/common.json
@@ -1917,6 +1917,7 @@
       "actions": "פעולות",
       "add_action": "הוסף פעולה",
       "stop_processing": "הפסק לעבד את הכללים הבאים",
+      "include_spam": "להעביר גם הודעות שסומנו כדואר זבל",
       "condition_fields": {
         "from": "מ",
         "to": "ל",
diff --git a/locales/hu/common.json b/locales/hu/common.json
index 853ad2c7b..78bc4e487 100644
--- a/locales/hu/common.json
+++ b/locales/hu/common.json
@@ -1998,6 +1998,7 @@
       "actions": "Műveletek",
       "add_action": "Művelet hozzáadása",
       "stop_processing": "További szabályok feldolgozásának leállítása",
+      "include_spam": "A levélszemétnek jelölt üzenetek áthelyezése is",
       "attachment_type_placeholder": "pl. pdf, doc, jpg",
       "value_placeholder_multi": "Érték (több érték vesszővel elválasztva)",
       "condition_fields": {
diff --git a/locales/it/common.json b/locales/it/common.json
index 47d793bf5..5fe5dd088 100644
--- a/locales/it/common.json
+++ b/locales/it/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Azioni",
       "add_action": "Aggiungi azione",
       "stop_processing": "Interrompere l'elaborazione delle regole successive",
+      "include_spam": "Sposta anche i messaggi contrassegnati come spam",
       "attachment_type_placeholder": "es. pdf, doc, jpg",
       "value_placeholder_multi": "Valore (più valori separati da virgole)",
       "condition_fields": {
diff --git a/locales/ja/common.json b/locales/ja/common.json
index c378f370e..83658b1a4 100644
--- a/locales/ja/common.json
+++ b/locales/ja/common.json
@@ -1995,6 +1995,7 @@
       "actions": "アクション",
       "add_action": "アクションを追加",
       "stop_processing": "以降のルールの処理を停止",
+      "include_spam": "迷惑メールと判定されたメッセージも移動する",
       "attachment_type_placeholder": "例: pdf, doc, jpg",
       "value_placeholder_multi": "値（カンマで複数指定可）",
       "condition_fields": {
diff --git a/locales/ko/common.json b/locales/ko/common.json
index 3521b95f6..034de1970 100644
--- a/locales/ko/common.json
+++ b/locales/ko/common.json
@@ -1995,6 +1995,7 @@
       "actions": "동작",
       "add_action": "동작 추가",
       "stop_processing": "이후 규칙 무시하기",
+      "include_spam": "스팸으로 표시된 메시지도 이동",
       "attachment_type_placeholder": "예: pdf, doc, jpg",
       "value_placeholder_multi": "값 (쉼표로 여러 개 구분)",
       "condition_fields": {
diff --git a/locales/lv/common.json b/locales/lv/common.json
index ffefe303c..4e86b9867 100644
--- a/locales/lv/common.json
+++ b/locales/lv/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Darbības",
       "add_action": "Pievienot darbību",
       "stop_processing": "Pārtraukt nākamo noteikumu apstrādi",
+      "include_spam": "Pārvietot arī ziņas, kas atzīmētas kā mēstules",
       "attachment_type_placeholder": "piem. pdf, doc, jpg",
       "value_placeholder_multi": "Vērtība (vairākas atdalītas ar komatu)",
       "condition_fields": {
diff --git a/locales/mn/common.json b/locales/mn/common.json
index 499a78052..b5b949591 100644
--- a/locales/mn/common.json
+++ b/locales/mn/common.json
@@ -2002,6 +2002,7 @@
       "actions": "Үйлдэл",
       "add_action": "Үйлдэл нэмэх",
       "stop_processing": "Дараагийн дүрмийг боловсруулахаа зогсоох",
+      "include_spam": "Спам гэж тэмдэглэсэн захидлыг мөн зөөх",
       "attachment_type_placeholder": "жишээ нь pdf, doc, jpg",
       "value_placeholder_multi": "Утга (олон тоог таслалаар тусгаарласан)",
       "condition_fields": {
diff --git a/locales/nb/common.json b/locales/nb/common.json
index 6c87e5262..2a1f89edf 100644
--- a/locales/nb/common.json
+++ b/locales/nb/common.json
@@ -2002,6 +2002,7 @@
       "actions": "Handlinger",
       "add_action": "Legg til handling",
       "stop_processing": "Ikke behandle flere regler",
+      "include_spam": "Flytt også meldinger som er merket som søppelpost",
       "attachment_type_placeholder": "f.eks. pdf, doc, jpg",
       "value_placeholder_multi": "Verdi (skill flere verdier med komma)",
       "condition_fields": {
diff --git a/locales/nl/common.json b/locales/nl/common.json
index 0c240864c..5bb97790e 100644
--- a/locales/nl/common.json
+++ b/locales/nl/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Acties",
       "add_action": "Actie toevoegen",
       "stop_processing": "Verwerking van volgende regels stoppen",
+      "include_spam": "Ook berichten verplaatsen die als spam zijn gemarkeerd",
       "attachment_type_placeholder": "bijv. pdf, doc, jpg",
       "value_placeholder_multi": "Waarde (meerdere met komma's gescheiden)",
       "condition_fields": {
diff --git a/locales/pl/common.json b/locales/pl/common.json
index e38263341..c4ccfdae9 100644
--- a/locales/pl/common.json
+++ b/locales/pl/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Akcje",
       "add_action": "Dodaj akcję",
       "stop_processing": "Zatrzymaj przetwarzanie kolejnych reguł",
+      "include_spam": "Przenoś również wiadomości oznaczone jako spam",
       "attachment_type_placeholder": "np. pdf, doc, jpg",
       "value_placeholder_multi": "Wartość (kilka oddzielonych przecinkami)",
       "condition_fields": {
diff --git a/locales/pt/common.json b/locales/pt/common.json
index 9a872f385..3c8fec9af 100644
--- a/locales/pt/common.json
+++ b/locales/pt/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Ações",
       "add_action": "Adicionar ação",
       "stop_processing": "Parar o processamento das regras seguintes",
+      "include_spam": "Mover também as mensagens marcadas como spam",
       "attachment_type_placeholder": "ex.: pdf, doc, jpg",
       "value_placeholder_multi": "Valor (vários separados por vírgulas)",
       "condition_fields": {
diff --git a/locales/ro/common.json b/locales/ro/common.json
index 75af310de..1a2e67460 100644
--- a/locales/ro/common.json
+++ b/locales/ro/common.json
@@ -2002,6 +2002,7 @@
       "actions": "Acțiuni",
       "add_action": "Adăugare acțiune",
       "stop_processing": "Opriți procesarea regulilor următoare",
+      "include_spam": "Mută și mesajele marcate ca spam",
       "attachment_type_placeholder": "de ex. pdf, doc, jpg",
       "value_placeholder_multi": "Valoare (mai multe valori separate prin virgule)",
       "condition_fields": {
diff --git a/locales/ru/common.json b/locales/ru/common.json
index d6bba3b07..9a370ddfd 100644
--- a/locales/ru/common.json
+++ b/locales/ru/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Действия",
       "add_action": "Добавить действие",
       "stop_processing": "Прекратить обработку последующих правил",
+      "include_spam": "Перемещать также письма, помеченные как спам",
       "attachment_type_placeholder": "напр. pdf, doc, jpg",
       "value_placeholder_multi": "Значение (несколько через запятую)",
       "condition_fields": {
diff --git a/locales/sk/common.json b/locales/sk/common.json
index 960257339..475d81b7e 100644
--- a/locales/sk/common.json
+++ b/locales/sk/common.json
@@ -2002,6 +2002,7 @@
       "actions": "Akcie",
       "add_action": "Pridať akciu",
       "stop_processing": "Zastaviť spracovanie ďalších pravidiel",
+      "include_spam": "Presúvať aj správy označené ako spam",
       "attachment_type_placeholder": "napr. pdf, doc, jpg",
       "value_placeholder_multi": "Hodnota (viac oddelených čiarkami)",
       "condition_fields": {
diff --git a/locales/tr/common.json b/locales/tr/common.json
index b9c644d00..acc0b446d 100644
--- a/locales/tr/common.json
+++ b/locales/tr/common.json
@@ -1995,6 +1995,7 @@
       "actions": "İşlemler",
       "add_action": "İşlem Ekle",
       "stop_processing": "Sonraki kuralları işlemeyi durdur",
+      "include_spam": "İstenmeyen olarak işaretlenen iletileri de taşı",
       "attachment_type_placeholder": "örn. pdf, doc, jpg",
       "value_placeholder_multi": "Değer (birden fazla virgülle ayrılır)",
       "condition_fields": {
diff --git a/locales/uk/common.json b/locales/uk/common.json
index e4f32ef98..cc9f0abed 100644
--- a/locales/uk/common.json
+++ b/locales/uk/common.json
@@ -1995,6 +1995,7 @@
       "actions": "Дії",
       "add_action": "Додати дію",
       "stop_processing": "Зупинити обробку наступних правил",
+      "include_spam": "Переміщувати також листи, позначені як спам",
       "attachment_type_placeholder": "напр. pdf, doc, jpg",
       "value_placeholder_multi": "Значення (декілька через кому)",
       "condition_fields": {
diff --git a/locales/zh-TW/common.json b/locales/zh-TW/common.json
index f894494a6..507bdc3f3 100644
--- a/locales/zh-TW/common.json
+++ b/locales/zh-TW/common.json
@@ -2002,6 +2002,7 @@
       "actions": "動作",
       "add_action": "新增動作",
       "stop_processing": "停止處理後續規則",
+      "include_spam": "同時移動被標記為垃圾郵件的郵件",
       "attachment_type_placeholder": "例如：pdf、doc、jpg",
       "value_placeholder_multi": "值（多個用逗號分隔）",
       "condition_fields": {
diff --git a/locales/zh/common.json b/locales/zh/common.json
index 0d8b24d9e..c6989b8cf 100644
--- a/locales/zh/common.json
+++ b/locales/zh/common.json
@@ -1995,6 +1995,7 @@
       "actions": "操作",
       "add_action": "添加操作",
       "stop_processing": "停止处理后续规则",
+      "include_spam": "同时移动被标记为垃圾邮件的邮件",
       "attachment_type_placeholder": "例如：pdf、doc、jpg",
       "value_placeholder_multi": "值（多个用逗号分隔）",
       "condition_fields": {