android 客户端 smtp 协议发送数据

use org.apache.commons.net.smtp.AuthenticatingSMTPClient

private void sendLogByEmail(){
String sender = "[e-mail]";
String recipient = "[e-mail]";
String sendMsg = getData();
if(sendMsg == null)
return;
try {
AuthenticatingSMTPClient client = new AuthenticatingSMTPClient();
//client.addProtocolCommandListener(new PrintCommandListener(
                //new PrintWriter(System.out), true));
client.connect("smtp.163.com");
int reply = client.getReplyCode();
if(!SMTPReply.isPositiveCompletion(reply)) {
client.disconnect();
return;
}
client.elogin();
client.auth(AuthenticatingSMTPClient.AUTH_METHOD.LOGIN, sender,"20142924");
client.setSender(sender);
            client.addRecipient(recipient);
            SimpleSMTPHeader header = new SimpleSMTPHeader(sender, recipient, "vlook log,"+CacheService.User_Id);            
           
            Writer writer = client.sendMessageData();
            if (writer != null)
            {
                writer.write(header.toString());
               
                writer.write("\n"+SkinDef.CLIENT_IDENTIFIER+","+SkinDef.APP_SUB+","+Config.BUILD_VER);
                writer.write(" net="+NetManager.getTelNetWrokType());
                if(NetManager.mNetType == Define.NET_PROXY)
                writer.write("\nproxy net,host:"+NetManager.mProxyHost+",port:"+NetManager.mProxyPort);
               
                writer.write(sendMsg);
                writer.close();
                client.completePendingCommand();
            }
           
client.logout();
client.disconnect();
}
catch (Exception e) {
e.printStackTrace();
}
}