======== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.0
- Linux/BSD distribution name and version: Ububtu server 14.0.4
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySql
- Web server (Apache or Nginx): Apache
- Manage mail accounts with iRedAdmin-Pro? No
- Related log if you're reporting an issue:
====

I mean in my hosts file I have this line

92.223.198.163    rk-mailserver.posta

that is the local hostname. I relaized that the host name must be different couse must be a pubblic resolvable domani name. How can I canghe it via line commmand using vi or what else without the need of having to reinstall all ??

Tnx
JC