Cannot send to Yahoo ERROR_CODE :554, ERROR_CODE :Message not allowed - [299]

Cannot send to Yahoo ERROR_CODE :554, ERROR_CODE :Message not allowed - [299]

I cannot send any email to Yahoo recipient. It seems to be the conflict with smtp timezone that yahoo filtered it automatically. Please see the message below;

This message was created automatically by mail delivery software. 
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. 

bangkoksync@yahoo.com  Error, ERROR_CODE :554, ERROR_CODE :Message not allowed - [299] 


Received:from mail.zoho.com by mx.zohomail.com 
    with SMTP id 1405654684281431.9930136118659; Thu, 17 Jul 2014 20:38:04 -0700 (PDT) 
Message-ID:<147478c5247.884379886 015161304.-7664932506400729993@siamchaisteel.com
Date:Fri, 18 Jul 2014 10:38:04 +0700 
From:บจก.สยามชัยสตีล < sale@siamchaisteel.com
User-Agent:Zoho Mail 
To:< bangkoksync@yahoo.com
Subject:test2 
Content-Type:multipart/alternative; 
    boundary="----=_Part_108762_1958495944.1405654684230"