==== Required information ====
- iRedMail version (check /etc/iredmail-release): v0.9.4
- Linux/BSD distribution name and version: Ubuntu 14.04 LTS
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? v2.5.0 (LDAP)
- Related log if you're reporting an issue:
====

Hello Zhang,

Hope you are doing well.
I need your help as I tried to disabled characters in passwords from /settings.py of my iredmain PRO to override the default settings, but it is not working.
still face the error password must have special character.

Here is the modified settings in settings.py
##################
PASSWORD_HAS_LETTER = True
PASSWORD_HAS_UPPERCASE = True
PASSWORD_HAS_NUMBER = True
PASSWORD_HAS_SPECIAL_CHAR = False
###################

Thanks.