properties中加入
properties.setProperty("mail.smtp.auth", "true");//开启认证 properties.setProperty("mail.debug", "true");//启用调试 properties.setProperty("mail.smtp.timeout", "1000");//设置链接超时 properties.setProperty("mail.smtp.port", "465");//设置端口 properties.setProperty("mail.smtp.socketFactory.port", "465");//设置ssl端口 properties.setProperty("mail.smtp.socketFactory.fallback", "false"); properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");