I've been receiving this message error when trying to send an email, this happens with various adresses and not just a single one
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.
[censored] INVALID_ADDRESS, ERROR_CODE :550, ERROR_CODE :5.7.1 <[censored]
>: Recipient address rejected: SPF MAIL FROM check failed
(((the censored email adress is a @mitte.arq.br adress))
Received:from mail.zoho.com by mx.zohomail.com
with SMTP id 1526318705782566.7775563052516; Mon, 14 May 2018 10:25:05 -0700 (PDT)
Date:Mon, 14 May 2018 14:25:05 -0300
From:Vinicius - DhiDrone <[my email]
>
User-Agent:Zoho Mail
To:"matias" <[i censored here]
>
Subject:teste
Content-Type:multipart/alternative;
boundary="----=_Part_508284_90667002.1526318705778"
i noticed that most of the emails i get this response from are SPF mail