Given @bronkodwana's comment: https://news.ycombinator.com/item?id=34737052 https://news.ycombinator.com/item?id=34737052 Did you look at cyrusimap? Surely it

Given @bronkodwana's comment: https://news.ycombinator.com/item?id=34737052 https://news.ycombinator.com/item?id=34737052 Did you look at cyrusimap? Surely it supports auth via ldap?