can't send mail to sapo.pt

can't send mail to sapo.pt

I can send mails to all but @sapo.pt, if i send mail to @sapo.pt i receive the error:

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.  

dline@sapo.pt  Invalid Address, ERROR_CODE :550, ERROR_CODE :SPF says you cant (#5.7.1) 


Received:from mail.zoho.com by mx.zohomail.com 
    with SMTP id 1411571717208428.4131508333327; Wed, 24 Sep 2014 08:15:17 -0700 (PDT) 
Message-ID:<148a83b1425.c81 19a62190674.290850121706713439@padilha-alimentar.com
Date:Wed, 24 Sep 2014 08:15:17 -0700 
From:Padilha Alimentar < jolas@padilha-alimentar.com
User-Agent:Zoho Mail 
To:< dline@sapo.pt
Subject:teste de mail 
Content-Type:multipart/alternative;  
    boundary="----=_Part_249615_437995241.1411571717156"