Found these posts:
Just to consolidate all the opinions about this request. I think 6.0 was delayed. But I'll post back here after 6.0.
@jdaviescoates Can vouch for MainWP, it’s a pretty cool concept because it runs inside of another WP installation which makes making add-ons (I make a lot of WP plugins) for it so much easier.
@girish much appreciated... thanks for looking into it!
Thank you @girish, this worked for me too
OK i have send an E-Mail
@3246 There was a bug in the ldap code. See the fix in https://forum.cloudron.io/topic/2733/aliases-seem-misconfigured-in-sogo/4