腾讯企业邮箱阿里云端口25发送失败

写一个企业邮箱发送的问题,每个用户都能发送邮件,这个还是比较好写的,百度一大推,但是我是在本地测试的,我把代码部署到阿里云上去之后,一直发送失败,查看日志文件,说连接腾讯邮箱服务器失败,端口使用的是25,后面经过资料查找,说什么阿里云不支持25端口,要使用ssl的465.后面经过测试果然ok.记录一下.

每个用户都能够发送邮件,为了密码安全,全部在腾讯企业邮箱设置客户端安全密码

@Datapublic class MailBean {    private String[] to; // 收件人    private String[] cc;//抄送人    private String from; // 发件人    private String host; // SMTP主机    private String username; // 发件人的用户名    private String password; // 发件人的密码    private String subject; // 邮件主题    private String content; // 邮件正文    private InputStream fileInputStream; // 文件流    private String filename; // 附件的文件名}public boolean sendMail(MailBean mb) throws IOException {        String host = mb.getHost();        final String password = mb.getPassword();        final String from = mb.getFrom();        String[] to = mb.getTo();        String[] cc=mb.getCc();        String subject = mb.getSubject();        String content = mb.getContent();        String fileName = mb.getFilename();        InputStream file = mb.getFileInputStream();        Properties prop = new Properties();        //协议        prop.setProperty("mail.transport.protocol", "smtp");        //服务器        prop.setProperty("mail.smtp.host", "smtp.exmail.qq.com");        //端口        prop.setProperty("mail.smtp.port", "465");        //使用smtp身份验证        prop.setProperty("mail.smtp.auth", "true");        MailSSLSocketFactory sf = null;        try {            sf = new MailSSLSocketFactory();            sf.setTrustAllHosts(true);        } catch (GeneralSecurityException e1) {            e1.printStackTrace();        }        prop.put("mail.smtp.ssl.enable", "true");        prop.put("mail.smtp.ssl.socketFactory", sf);        Session session = Session.getDefaultInstance(prop, new Authenticator() {            public PasswordAuthentication getPasswordAuthentication() {                return new PasswordAuthentication(from, password);            }        });        try {            MimeMessage msg = new MimeMessage(session);            msg.setFrom(new InternetAddress(from));            InternetAddress[] toAddress = new InternetAddress[to.length];//添加收件人            for(int i=0;i<to.length;i++){                toAddress[i]=new InternetAddress(to[i]);            }            InternetAddress[] ccAddress = new InternetAddress[cc.length];//添加抄送人            for(int i=0;i<cc.length;i++){                ccAddress[i]=new InternetAddress(cc[i]);            }            msg.setRecipients(Message.RecipientType.TO, toAddress);            msg.setRecipients(Message.RecipientType.CC, ccAddress);            msg.setSubject(toChinese(subject));            Multipart mp = new MimeMultipart();            MimeBodyPart body = new MimeBodyPart();            body.setContent(content, "text/html; charset=UTF-8");            mp.addBodyPart(body);            /* 往邮件中添加附件 */            if (file != null) {                MimeBodyPart mbpFile = new MimeBodyPart();                DataSource dataSource=new ByteArrayDataSource(file, "application/png");                DataHandler dataHandler=new DataHandler(dataSource);;                mbpFile.setDataHandler(dataHandler);                mbpFile.setFileName(fileName);                mp.addBodyPart(mbpFile);            }            msg.setContent(mp);            msg.setSentDate(new Date());            Transport.send(msg);        } catch (MessagingException me) {            me.printStackTrace();            logger.error(me.getMessage());            return false;        }        return true;    }

记录一下!