fix: 修复libappbase模块javax.mail编译错误

- APPMSGMailUtils.java: 移除错误的android.se.omapi.Session导入
- APPMSGMailUtils.java: 替换java.net.*为javax.mail.*导入
- APPMSGMailUtils.java: 使用全限定名避免Message命名冲突
- libappbase/build.gradle: 添加com.sun.mail依赖

appbase/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Thu Jul 23 09:39:22 GMT 2026
+#Thu Jul 23 17:50:15 HKT 2026
 stageCount=4
 libraryProject=libappbase
 baseVersion=15.21
 publishVersion=15.21.3
-buildCount=17
+buildCount=18
 baseBetaVersion=15.21.4

libappbase/build.gradle

@@ -26,4 +26,6 @@ android {
 
 dependencies {
     api fileTree(dir: 'libs', include: ['*.jar'])
+    api 'com.sun.mail:android-mail:1.6.7'
+    api 'com.sun.mail:android-activation:1.6.7'
 }

libappbase/build.properties

@@ -1,8 +1,8 @@
 #Created by .winboll/winboll_app_build.gradle
-#Thu Jul 23 06:12:44 GMT 2026
+#Thu Jul 23 17:50:15 HKT 2026
 stageCount=4
 libraryProject=libappbase
 baseVersion=15.21
 publishVersion=15.21.3
-buildCount=17
+buildCount=18
 baseBetaVersion=15.21.4

libappbase/src/main/java/cc/winboll/studio/libappbase/utils/APPMSGMailUtils.java

@@ -5,12 +5,16 @@ import android.content.SharedPreferences;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.Message;
-import android.se.omapi.Session;
 import android.widget.Toast;
 import cc.winboll.studio.libappbase.LogUtils;
-import java.net.Authenticator;
-import java.net.PasswordAuthentication;
 import java.util.Properties;
+import javax.mail.Authenticator;
+import javax.mail.MessagingException;
+import javax.mail.PasswordAuthentication;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
 /**
  * @Author 豆包&BigPickle&MiMo&ZhanGSKen<zhangsken@qq.com>
  * @Date 2026/07/23 17:36
@@ -175,7 +179,7 @@ public class APPMSGMailUtils {
 						LogUtils.d(TAG, "sendMail: 创建MimeMessage");
 						MimeMessage message = new MimeMessage(session);
 						message.setFrom(new InternetAddress(sender));
-						message.setRecipients(Message.RecipientType.TO,
+						message.setRecipients(javax.mail.Message.RecipientType.TO,
 											  InternetAddress.parse(recipients));
 						message.setSubject(subject);
 						message.setText(content);