expireldap_rules Message Store option enables use of Option to enable imexpire rules in ldap. It enables storing a imexpire rule as an ldap attribute at the user level in ldap. If this is not enabled ,it would read from the store.expirerule files at the mailbox location in filesystem. The rule is picked up from
imexpire ldap attribute,if the attribute is not set ,the "inetCOS" attribute would be used as the default attribute to read the rules from ldap.
The default value is: 0