==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.9 MARIADB edition.
- Deployed with iRedMail Easy or the downloadable installer? installer
- Linux/BSD distribution name and version: Debian 9.9
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? nope
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Hi Zhang,

Now that Debian Buster has been officially released, will we have any documents about updating iRedMail soon? I tried to update here but I had problems with dovecot and postfwd. As I work with virtualization, I just returned a snapshot.

Kind Regards,