Incorrect path in upgrade 0.9.2 - Fail2ban

======== Required information ====
- iRedMail version: 0.9.2
- Store mail accounts in which backend (LDAP):
- Web server (Nginx):
- Linux/BSD distribution name and version: Centos 6.6
- Related log if you're reporting an issue:
====

Fail2ban Postfix filter path does not exist.

filters.d

/etc/fail2ban/filters.d/postfix.iredmail.conf

should be:

/etc/fail2ban/filter.d/postfix.iredmail.conf