java邮箱发送代理问题

System.setProperty("proxySet","true");
System.setProperty("socksProxyHost","10.37.193.57");
System.setProperty("socksProxyPort","3300");

设置代理连邮箱服务器报错 bad version 怎么解决
java.net.SocketException: Reply from SOCKS server has bad version. Failed messages: com.sun.mail.util.MailConnectException: Couldn't connect to host, port: smtp.163.com, 587; timeout -1;

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SOCKS 代理连接失败了吧

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