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


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  • From: "Pedro Antunes" ( ) < >
  • To: " " < >
  • Subject: [SOGo] Client host rejected: cannot find your reverse hostname
  • Date: Fri, 8 Feb 2019 21:17:42 +0000
  • Accept-language: pt-PT, en-US
  • Dmarc-filter: OpenDMARC Filter v1.2.0 mail.inverse.ca CC9141DE5114

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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