I configured postfix on my server, but when I send an email to email@example.com I get 2 emails, the email I sent and another email with delivery error. I tried many solutions without success. The error email that I receive is the following:
Delivery to the following recipient failed permanently:
Technical details of permanent failure:
Google tried to deliver your message, but it was rejected by the server for the recipient domain ogreshop.com.br by ogreshop.com.br. [18.104.22.168].
The error that the other server returned was:
554 5.7.1 : Relay access denied
----- Original message -----
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
X-Received: by 10.42.106.80 with SMTP id y16mr802326ico.94.1400939831656; Sat,
24 May 2014 06:57:11 -0700 (PDT)
Received: by 10.64.252.40 with HTTP; Sat, 24 May 2014 06:57:11 -0700 (PDT)
Date: Sat, 24 May 2014 10:57:11 -0300
Content-Type: multipart/alternative; boundary=20cf304275be04886304fa25b9bd
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