==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (/etc/iredmail-release doesn't exist): iRedAdmin 0.1.6, dovecot 1.2.16.
- Deployed with iRedMail Easy or the downloadable installer? Unknown
- Linux/BSD distribution name and version:  CentOS release 5.6 (Final)
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): apache (httpd-2.2.3-45.el5.centos.1)
- Manage mail accounts with iRedAdmin-Pro? no
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

Hi, I have to migrate the content of an iRedMail server by imapsync.
Is there a way to have a master account that can have access to the other mailboxes so to use it for --authuser1 imapsync option?

This way I do not have to know all the account passwords.
I know very little about this server.
Sure it's old!!!
I have access to iRedAdmin and the shell as root user.

Thank you for any advice.