==== REQUIRED BASIC INFO OF YOUR IREDMAIL SERVER ====
- iRedMail version (check /etc/iredmail-release): 0.9.8
- Deployed with iRedMail Easy or the downloadable installer?
- Linux/BSD distribution name and version: linux
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): mysql
- Web server (Apache or Nginx): nginx
- Manage mail accounts with iRedAdmin-Pro? no
- [IMPORTANT] Related original log or error message is required if you're experiencing an issue.
====

curl -X POST -c cookie.txt -d "username=postmaster@ovesl.com&password=****" https://mail.ovesl.com/iredadmin/api/login

I am getting not found result for above curl command.
I have entered the correct username and password. but i am not able to login. what I have to do.