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Topic: How to change System Information -> Hostname in iredadmin

==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version: iRedMail-1.2.1
- Deployed with iRedMail Easy or the downloadable installer: downloadable installer
- Linux/BSD distribution name and version: Ubuntu 18.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro?: No
====

I don't know why, but I have some strange Hostname in iredadmin . How can I changed it ?

I've already checked here, not found
/etc/hosts
/etc/hostname
/etc/mailname
/var/spool/postfix/etc/hosts
/etc/postfix/main.cf
/etc/amavis/conf.d/50-user

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Re: How to change System Information -> Hostname in iredadmin

Ok, I believe that this is rDNS record.

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Re: How to change System Information -> Hostname in iredadmin

Did you follow this part of the guide about naming the host?
https://docs.iredmail.org/install.iredm … our-server

koval.roma wrote:

Ok, I believe that this is rDNS record.

Your rDNS name should match your hostname, which according to your screenshot is incorrect - your's is not a valid FQDN, should be something like mail.eventhumoustify.com