diff --git a/en_US/iredmail-easy/2-iredmail-easy.best.practice.md b/en_US/iredmail-easy/2-iredmail-easy.best.practice.md
index e699f71e..39dcdb1e 100644
--- a/en_US/iredmail-easy/2-iredmail-easy.best.practice.md
+++ b/en_US/iredmail-easy/2-iredmail-easy.best.practice.md
@@ -188,6 +188,45 @@ ALL | `first_domain_admin_password` | Password of the mail user `postmaster@
/opt/iredmail/custom/openldap/schema/
Extra LDAP schema files must be stored in this directory, owned by OpenLDAP +daemon user and group with permission 0640.
+/opt/iredmail/custom/openldap/conf.d/global.conf
Extra global settings should be stored in this file. For example, you can +load extra LDAP schema file by adding line below:
+include /opt/iredmail/custom/openldap/schema/custom.schema
/opt/iredmail/custom/openldap/conf.d/databases.conf
OpenLDAP is configured to run one database for mail domains and accounts +by iRedMail Easy, if you want to run extra databases, you can add database +related settings in this file. for example:
+database mdb
+suffix dc=my-ldap-suffix,dc=com
+directory /var/lib/ldap/my-ldap-suffix.com
+
+rootdn cn=Manager,dc=my-ldap-suffix,dc=com
+rootpw {SSHA}...
+
+sizelimit unlimited
+maxsize 2147483648
+checkpoint 128 3
+mode 0700
+
+index attr_1,attr_2,attr_3 eq,pres
+index attr_4,attr_5,attr_6 eq,pres
+
+