使用Javamail发送邮件，必需的jar包（请下载javamail的源文件，官方下载页：http://"; String password = "rose"; Properties props = new Properties(); props.put("mail.pop3.ssl.enable", isSSL); props.put("mail.pop3.host", host); props.put("mail.pop3.port", port); Session session = Session.getDefaultInstance(props); Store store = null; Folder folder = null; try { store = session.getStore(protocol); store.connect(username, password); folder = store.getFolder("INBOX"); folder.open(Folder.READ_ONLY); int size = folder.getMessageCount(); Message message = folder.getMessage(size); String from = message.getFrom()[0].toString(); String subject = message.getSubject(); Date date = message.getSentDate(); System.out.println("From: " + from); System.out.println("Subject: " + subject); System.out.println("Date: " + date); } catch (NoSuchProviderException e) { e.printStackTrace(); } catch (MessagingException e) { e.printStackTrace(); } finally { try { if (folder != null) { folder.close(false); } if (store != null) { store.close(); } } catch (MessagingException e) { e.printStackTrace(); } } System.out.println("接收完毕！"); }}