diff --git a/aes/build.properties b/aes/build.properties
index be636bd..b94bad2 100644
--- a/aes/build.properties
+++ b/aes/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Fri Jul 17 15:03:05 HKT 2026
-stageCount=20
+#Fri Jul 17 19:18:48 HKT 2026
+stageCount=21
 libraryProject=libaes
 baseVersion=15.20
-publishVersion=15.20.19
+publishVersion=15.20.20
 buildCount=0
-baseBetaVersion=15.20.20
+baseBetaVersion=15.20.21
diff --git a/libaes/build.properties b/libaes/build.properties
index be636bd..b94bad2 100644
--- a/libaes/build.properties
+++ b/libaes/build.properties
@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Fri Jul 17 15:03:05 HKT 2026
-stageCount=20
+#Fri Jul 17 19:18:48 HKT 2026
+stageCount=21
 libraryProject=libaes
 baseVersion=15.20
-publishVersion=15.20.19
+publishVersion=15.20.20
 buildCount=0
-baseBetaVersion=15.20.20
+baseBetaVersion=15.20.21
diff --git a/libaes/src/main/java/cc/winboll/studio/libaes/utils/APPMSGMailUtils.java b/libaes/src/main/java/cc/winboll/studio/libaes/utils/APPMSGMailUtils.java
index 12d57d0..662a242 100644
--- a/libaes/src/main/java/cc/winboll/studio/libaes/utils/APPMSGMailUtils.java
+++ b/libaes/src/main/java/cc/winboll/studio/libaes/utils/APPMSGMailUtils.java
@@ -33,6 +33,7 @@ public class APPMSGMailUtils {
     private static final String KEY_SMTP_SENDER = "smtp_sender";
     private static final String KEY_SMTP_AUTH_CODE = "smtp_auth_code";
     private static final String KEY_SMTP_RECIPIENT = "smtp_recipient";
+    private static final String KEY_SMTP_ENABLED = "smtp_enabled";
 
     private static final String DEFAULT_SMTP_SERVER = "smtp.qq.com";
     private static final String DEFAULT_SMTP_PORT = "465";
@@ -81,11 +82,31 @@ public class APPMSGMailUtils {
         return sp.getString(KEY_SMTP_RECIPIENT, "");
     }
 
+    //
+    // SMTP邮件发送开关
+    //
+    public static void setEnabled(Context context, boolean enabled) {
+        SharedPreferences sp = context.getSharedPreferences(SP_NAME, Context.MODE_PRIVATE);
+        SharedPreferences.Editor editor = sp.edit();
+        editor.putBoolean(KEY_SMTP_ENABLED, enabled);
+        editor.apply();
+        LogUtils.d(TAG, "setEnabled: " + enabled);
+    }
+
+    public static boolean isEnabled(Context context) {
+        SharedPreferences sp = context.getSharedPreferences(SP_NAME, Context.MODE_PRIVATE);
+        return sp.getBoolean(KEY_SMTP_ENABLED, false);
+    }
+
     //
     // 发送邮件（异步，在后台线程执行）
     //
     public static void sendMail(final Context context, final String subject,
             final String content, final String recipients) {
+        if (!isEnabled(context)) {
+            LogUtils.d(TAG, "sendMail: SMTP邮件发送已禁用，跳过操作");
+            return;
+        }
         final String server = getServer(context);
         final String port = getPort(context);
         final String sender = getSender(context);
diff --git a/libaes/src/main/java/cc/winboll/studio/libaes/views/SMTPConfigView.java b/libaes/src/main/java/cc/winboll/studio/libaes/views/SMTPConfigView.java
index f39c6a9..485c3a3 100644
--- a/libaes/src/main/java/cc/winboll/studio/libaes/views/SMTPConfigView.java
+++ b/libaes/src/main/java/cc/winboll/studio/libaes/views/SMTPConfigView.java
@@ -3,6 +3,8 @@ package cc.winboll.studio.libaes.views;
 import android.content.Context;
 import android.util.AttributeSet;
 import android.view.View;
+import android.widget.CheckBox;
+import android.widget.CompoundButton;
 import android.widget.EditText;
 import android.widget.LinearLayout;
 import android.widget.Toast;
@@ -24,6 +26,7 @@ public class SMTPConfigView extends LinearLayout {
     private EditText mEtSender;
     private EditText mEtAuthCode;
     private EditText mEtRecipient;
+    private CheckBox mCbEnabled;
 
     public SMTPConfigView(Context context) {
         super(context);
@@ -44,6 +47,14 @@ public class SMTPConfigView extends LinearLayout {
         mEtSender = (EditText) findViewById(R.id.et_smtp_sender);
         mEtAuthCode = (EditText) findViewById(R.id.et_smtp_auth_code);
         mEtRecipient = (EditText) findViewById(R.id.et_smtp_recipient);
+        mCbEnabled = (CheckBox) findViewById(R.id.cb_smtp_enabled);
+
+        mCbEnabled.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
+            @Override
+            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+                APPMSGMailUtils.setEnabled(getContext(), isChecked);
+            }
+        });
 
         // 加载已保存的配置
         loadConfig();
@@ -80,6 +91,7 @@ public class SMTPConfigView extends LinearLayout {
         mEtSender.setText(APPMSGMailUtils.getSender(context));
         mEtAuthCode.setText(APPMSGMailUtils.getAuthCode(context));
         mEtRecipient.setText(APPMSGMailUtils.getRecipient(context));
+        mCbEnabled.setChecked(APPMSGMailUtils.isEnabled(context));
         LogUtils.d(TAG, "loadConfig: SMTP配置已加载");
     }
 
diff --git a/libaes/src/main/res/layout/view_smtp_config.xml b/libaes/src/main/res/layout/view_smtp_config.xml
index c9326f8..e00119b 100644
--- a/libaes/src/main/res/layout/view_smtp_config.xml
+++ b/libaes/src/main/res/layout/view_smtp_config.xml
@@ -85,6 +85,14 @@
         android:hint="recipient@example.com"
         android:inputType="textEmailAddress"/>
 
+    <CheckBox
+        android:id="@+id/cb_smtp_enabled"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="启用SMTP邮件发送"
+        android:textSize="14sp"
+        android:layout_marginTop="12dp"/>
+
     <Button
         android:id="@+id/btn_smtp_save"
         android:layout_width="match_parent"