==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.8
- Linux/BSD distribution name and version: OpenBSD 6.3
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? No
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

On the following page, open ports are listed:
https://docs.iredmail.org/network.ports.html

Missing in the list is
Host:Port             Used by
*:20000                Sogo
localhost:11211    memcache
localhost:10027    Amavisd-new
localhost:24243    Dovecot
localhost:24         MySQL
localhost:7790      mlmmj
localhost:10025    postfix master

They need to be added to the documentation, maybe?