In the end we solved the issue:1) The property setMatchExactCriteria should be set as first which wasn't the casePrincipalSearchFilter psf = new PrincipalSearchFilter();// setMatchExactCriteria must be set first otherwise it won't workpsf.setMatchExactCriteria(true);2) When maintaining PM Groups the...

Hi Arunpatidar, No we're only retrieving the members of a group to find the email addresses, the emails are sent in a custom applications.We're using AEM.6.5.20    

Thanks I've enough information to proceed

We are working on a new application that uses Jackrabbit OAK with as starting point data from AEM/CRX.That's why I was wondering if a 1:1 copy is possible.