==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.6 OPENLDAP edition.
- Linux/BSD distribution name and version: CentOS release 6.9 (Final)
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Web server (Apache or Nginx): Apache 2.2.15
- Manage mail accounts with iRedAdmin-Pro? NO
- Related log if you're reporting an issue:
====

On our old server (CentOS 6.9 with OpenWebMail) I created mail lists for my users by adding an alias to /etc/aliases as follows:

maillist1: :include:/var/lib/samba/maillists/maillist1.txt

This allowed the no-so-technical users to add/update the mail lists via SAMBA and was a pretty elegant solution.

With iRedmail I am finding non-existent email addresses  are rejected before they get to postfix for delivery. I've tried editing/adding a Global Address Book using phpldapadmin but it is not working according the the documentation at http://www.iredmail.org/docs/ldap.add.mail.list.html. Also, adding 112 email addresses that way is tedious and  prone to error.

Is there  a batch method for setting up Global Address Books or, even better, a way to allow users to email aliases defined in a text file such as my example above?