==== Required information ====
- iRedMail version: 07.0 [ iRedAdmin-Pro v1.4.1 (LDAP) ]
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Apache
- Linux/BSD distribution name and version: Centos 6
- Related log if you're reporting an issue:
====
We want to block some email addresses like ...@gmail.com , ...@yahoo.com from our iredmail.
We can block this from ireadmin by add black list but we want to block this from user end.
Do you have any idea?