==== Required information ====
- iRedMail version: 0.9.0
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): LDAP
- Linux/BSD distribution name and version: Debian 7
- Related log if you're reporting an issue:
====

I am trying to connect our EMC Isilon storage to the iRedMail LDAP database for user authentication.

This didn't work as expected, so I talked to EMC support who explained that all users need to have an "objectClass: posixAccount" attribute, for the Isilon to recognize them.

I have an .ldif file with all our users, exported from our old LDAP (OD on OS X 10.6 Server). I tried to just add the "objectClass: posixAccount" line for every user in the file, but when I run 'slapadd' on the ldif it complains that: "object class 'posixAccount' requires attribute 'uidNumber'". I guess it will also need a 'gidNumber' for it to work.

'uidNumber' and 'gidNumber' have to be unique I'm sure? So, now my question is:

* How do I add my users (ca. 250) to iRedMail's LDAP, including the extra objectClass, uidNumber and gidNumber (with uid, and gid being unique)?

* And, how do I make sure that when I add new users with iRedAdmin-Pro, after the initial import, they get an 'objectClass:posixAccount' and a unique 'uidNumber' and 'gidNumber'?

I'm new at LDAP and scripting, so it's not easy for me to do this without help;

If it's too big a task, my company is willing to pay for a solution (code/script) made by you, ZhangHuangbin.

Thanks,
Martin