java使用公司邮件服务器发送邮件

 1     /**
 2      * 发送邮件
 3      */
 4     public void sendMail(String receivers, String content, String title) {
 5         try {
 6             // 公司邮件服务器地址
 7             URL url = new URL("公司邮件服务器地址");
 8             // 设置connection
 9             HttpURLConnection connection = (HttpURLConnection) url.openConnection();
10             connection.setDoOutput(true);
11             connection.setDoInput(true);
12             connection.setRequestMethod("POST");
13             connection.setUseCaches(false);
14             connection.setInstanceFollowRedirects(true);
15             connection.setRequestProperty("Content-Type", "application/json");
16             connection.setRequestProperty("Connection", "Keep-Alive");
17             connection.connect();
18             // 设置邮件接收人，标题，内容
19             DataOutputStream out = new DataOutputStream(connection.getOutputStream());
20             Map<String, String> jsonMap = new HashMap<String, String>(3);
21             jsonMap.put("to", receivers); //邮件接收人
22             jsonMap.put("subject", convertToISO_8859_1(title)); // 邮件主题
23             jsonMap.put("content", convertToISO_8859_1(content)); // 邮件正文
24             JSONObject jsonObj = JSONObject.fromObject(jsonMap);
25             // 发送
26             out.writeBytes(jsonObj.toString());
27             out.flush();
28             out.close();
29             // 返回内容
30             BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
31             String result = "";
32             String line;
33             while ((line = reader.readLine()) != null) {
34                 result += line;
35             }
36             // 日志记录邮件返回内容
37             if (logger.isInfoEnabled()) {
38                 logger.info(result);
39             }
40             // 解析返回内容
41             JSONObject resultJSON = JSONObject.fromObject(result);
42             String code = resultJSON.getString("code");
43             if ("200".equals(code)) {// 200表示发送成功，如果发送成功则删除临时表数据
44                 logger.info("发送邮成功！");
45             } else {
46                 logger.info("发送邮件失败，等待下次发送！");
47             }
48 
49         } catch (MalformedURLException e) {
50             logger.error("邮件发送失败", e);
51 
52         } catch (IOException e) {
53             logger.error("邮件发送失败", e);
54         }
55     }