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Re: [SOGo] Client host rejected: cannot find your reverse hostname


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  • From: "Pedro Antunes" ( ) < >
  • To: " " < >
  • Subject: Re: [SOGo] Client host rejected: cannot find your reverse hostname
  • Date: Mon, 11 Feb 2019 11:43:34 +0000
  • Accept-language: pt-PT, en-US
  • Dmarc-filter: OpenDMARC Filter v1.2.0 mail.inverse.ca AB7BC1DE506D

Hi miguel,

 

O think that its solved.

 

O asked to my provider to create a reverse dns.

 

 

Thanks,

Pedro Antunes

 

From: " " < > on behalf of Miguel Mucio Santos Moreira < >
Reply-To: " " < >
Date: Monday, 11 February 2019 at 11:41
To: " " < >
Subject: Re: [SOGo] Client host rejected: cannot find your reverse hostname

 

Hello Pedro!

Your problem, probably is regard to DNS reverse validation.
By default Postfix checks if an ip cliente has a name, if so, it also checks if client name matches with the client ip address.
I think for more details you can google postfix reverse check.

Regards
--

Miguel Moreira
Gerente
DPR/SRE/GSR - Gerência de Serviços de Rede
+55(31)3339-1401
PRODEMGE - Companhia de Tecnologia da Informação do Estado de Minas Gerais


Aviso: Esta mensagem é destinada exclusivamente para a(s) pessoa(s) a quem é dirigida, podendo conter informação sigilosa e legalmente protegida. O uso impróprio será tratado conforme as normas da empresa e a legislação em vigor. Caso não seja o destinatário, favor notificar o remetente, ficando proibidas a utilização, divulgação, cópia e distribuição. Em Sexta, Fevereiro 08, 2019 19:17 -02, "Pedro Antunes" ( ) < > escreveu:

 

Hi,

 

I’m not receiving some emails from some domains.

 

Example:

postfix-mailcow_1    | Feb  8 21:10:08 mail postfix/smtpd[18033]: NOQUEUE: reject: RCPT from unknown[52.166.14.58]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [52.166.14.58]; from=< > to=< > proto=ESMTP helo=<xxx.com>

 

 

Anybody can help me to solve it?

 

 

Regards,

Pedro Antunes

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