==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release):  1.6.8 PGSQL edition.
- Deployed with iRedMail Easy or the downloadable installer? Downloadable installer
- Linux/BSD distribution name and version: Ubuntu 22.04.4 LTS
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): PGSQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? 241 mail accounts
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

The sogo services uses almost all the ram available 32GB and has makes all outlook exchange account resync mails this happened more than 4 times in around four month of use. The sogo services issue it is happening every day in the last 5 days. Right now the service must be over demanded because all accounts it is sync the mail message.