Since few days i cant send emails. Everytime i try to do it i get this info:

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. 

switzerland@trecnutrition.com INVALID_ADDRESS, ERROR_CODE :552, ERROR_CODE :5.2.2 User mailstore exceeded quota limit (-1 free, 1259728896 used, 1258291200 quota) 



Received:from mail.zoho.com by mx.zohomail.com 
    with SMTP id 1474273891278492.48219379920204; Mon, 19 Sep 2016 01:31:31 -0700 (PDT) 
Message-ID:<157419253b9.c0c48bcd132954.3160997053635715154@athleticfightteam.com> 
Date:Mon, 19 Sep 2016 10:31:31 +0200 
From:ATHLETIC FIGHT TEAM <info@athleticfightteam.com> 
User-Agent:Zoho Mail 
To:"switzerland" <switzerland@trecnutrition.com> 
Subject:trec 
Content-Type:multipart/alternative; 
    boundary="----=_Part_311075_1985265612.1474273891259"

Could you please help me ?

Best Regards,

Pawel