I have just recently installed iRedMail on my fresh install of Ubuntu Server 17.10. The install went fine and I have the servers running as they should.

The issue I am having is the e-mails that I send do not get to other servers. If I send an e-mail to another user on the same internal server it goes through fine. This also the case with trying to receive e-mail from other e-mail servers. I can only send to internal users.

Here is my MX+A+TXT records: Cloudflare MX Records

Here is my port forward tables: IP Port Forward Tables

This is my /etc/hosts file: /etc/host file

And last, here is my /etc/hostname file: enter image description here

  • 1
    You should read that warning that CloudFlare has given you about your MX record. – Michael Hampton Feb 26 '18 at 8:17
  • @MichaelHampton that notice says 'This record is exposing your origin server' s IP address, potentially exposing it to Denial of Service.' – Max Kulik Feb 26 '18 at 21:51
  • @MaxKulik were you able to find a solution for this? I seem to be having the same problem. – ashe540 Aug 2 '18 at 15:22

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