fix(mail): add configurable 'from' address for email sending

Author: ProgramCX

.github/workflows/workflow-selfhosted.yml

@@ -12,7 +12,6 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-
       - name: Verify local Java & Maven
         run: |
           echo "Java version:"

src/main/java/cn/programcx/foxnaserver/util/MailSenderUtil.java

@@ -18,6 +18,9 @@ public class MailSenderUtil {
     @Value("${spring.mail.username}")
     private String mailUsername;
 
+    @Value("${spring.mail.from}")
+    private String mailFrom;
+
     @Autowired
     private JavaMailSender mailSender;
 
@@ -30,7 +33,8 @@ public void sendMail(String to, String subject, String content) throws Exception
             helper.setTo(to);
             helper.setSubject(subject);
             helper.setText(content, true);  // false 表示发送纯文本，true 表示发送 HTML
-            helper.setFrom(mailUsername);
+            String from = mailFrom.isEmpty() ? mailUsername : mailFrom;
+            helper.setFrom(from);
 
             mailSender.send(message);
             logger.info("邮件发送成功: 收件人={}, 主题={}", to, subject);

src/main/resources/application.properties

@@ -62,6 +62,7 @@ jwt.expiration=${app.jwt.expiration:86400000}
 # Mail Configuration
 spring.mail.host=${app.spring.mail.host:smtp.qq.com}
 spring.mail.port=${app.spring.mail.port:465}
+spring.mail.from=${app.spring.mail.from:}
 spring.mail.username=${app.spring.mail.username:}
 spring.mail.password=${app.spring.mail.password:}
 spring.mail.default-encoding=${app.spring.mail.default-encoding:UTF-8}