==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.8
- Deployed with iRedMail Easy or the downloadable installer? No
- Linux/BSD distribution name and version: Ubuntu 22.04
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? Yes
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Hello,
Based on these logs:
024/06/18 10:46:08 [error] 1330813#1330813: *12773 open() "/var/www/html/autodiscover/autodiscover.xml" failed (2: No such file or directory), client: 103.15.48.66, server: _, request: "POST /autodiscover/autodiscover.xml HTTP/2.0", host: "autodiscover.preview-pro.mcloud.vn"
2024/06/18 10:46:43 [error] 1330813#1330813: *12774 open() "/var/www/html/autodiscover/autodiscover.xml" failed (2: No such file or directory), client: 103.15.48.66, server: _, request: "POST /autodiscover/autodiscover.xml HTTP/2.0", host: "pro66.emailserver.vn"
2024/06/18 10:48:48 [error] 1330813#1330813: *12776 open() "/var/www/html/EWS/Exchange.asmx" failed (2: No such file or directory), client: 118.71.93.31, server: _, request: "GET /EWS/Exchange.asmx HTTP/2.0", host: "pro66.emailserver.vn"
2024/06/18 10:53:49 [error] 1330813#1330813: *12812 open() "/var/www/html/autodiscover/autodiscover.xml" failed (2: No such file or directory), client: 115.79.213.185, server: _, request: "GET /autodiscover/autodiscover.xml HTTP/2.0", host: "autodiscover.preview-pro.mcloud.vn"

I can't figure out how to setup autodiscover for this domain. None of my domain has working autodiscover.
Any idea?