==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 1.6.1 OPENLDAP edition.
- Deployed with iRedMail Easy or the downloadable installer? Download tar.gz, extract, run iRedMail.sh, update to iRedAdmin-Pro-LDAP-5.3
- Linux/BSD distribution name and version: Debian GNU/Linux 11
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): nginx
- Manage mail accounts with iRedAdmin-Pro?  - iRedAdmin-Pro-LDAP-5.3
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====
Hi
While i try upload attach, i see error "Error while uploading the file %filename%"
In console:
angular-file-upload.js:789          POST h___t___t___p___s://mail.mydomain.net/SOGo/so/postmaster@mydomain.net/Mail/0/folderDrafts/newDraft1671136455-1/save 500 (Internal Server Error)

I cannot find this 500 error in logs (nginx/sogo). In moment try attach file, in logs no record