cant send mails to my same domain

cant send mails to my same domain

Hi, I have the following problem, I get emails that I write my same domain but can not send them to the same domain, I have 4 registered mails with outlook MX @ travesias.com.co in my domain and add also the two MX of ZOHO, to create a post with you, but when I send an email the following error appears:

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. User Unknown : 

[ guille.figueroa@travesias.com.co ] 


Return-Path:< comercial@travesias.com.co > 
Received:from mail.zoho.com by mx.zohomail.com 
    with SMTP id 1414425960807534.2202976055879; Mon, 27 Oct 2014 09:06:00 -0700 (PDT) 
Message-ID:<149525b6130.b39 8d8b468499.8693446069131414109@travesias.com.co > 
Date:Mon, 27 Oct 2014 09:06:00 -0700 
From:kevin andres < comercial@travesias.com.co > 
User-Agent:Zoho Mail 
To:< guillepir@hotmail.es >, < guille.figueroa@travesias.com.co > 
Subject:ghtgre 
Content-Type:multipart/alternative; 
    boundary="----=_Part_90560_1421136857.1414425960743"from mail.zoho.com by mx.zohomail.com 
    with SMTP id 1414425960807534.2202976055879; Mon, 27 Oct 2014 09:06:00 -0700 (PDT)