SMTP mail send ya.ru

Hi
I need send mail from mail.ya.ru/ I used example from open AT but it work with SMTP ERROR 501
In example i change
#ifndef WIPSAMPLES_SPECIFIC_CONFIG
const ascii * SMTP_STR_HOSTNAME = “213.180.193.38”;//smtp.yandex.ru
const ascii * SMTP_STR_USERNAME = “regs2in ya.ru”;
const ascii * SMTP_STR_PASSWORD = “xxxxx”;
const ascii * SMTP_STR_SENDERNAME = “OAT WIP sender”;
const ascii * SMTP_STR_SENDER = "regs2in@ya.ru";
const ascii * SMTP_STR_REC = “reg_in@list.ru”;
const ascii * SMTP_STR_CCREC = “”;
const ascii * SMTP_STR_BCCREC = “”;

Please help me

Hi,

Error 501 refers to syntax error in paramameters or arguments.

Please check parameters passed for SMTP in your app.

please check the password and other paramters.

Thanks.