Sophos Email Appliance: Configure AD/LDAP authentication over SSL/TLS according to Microsoft's recommendation
![ldp.exe LDAPS Cannot open connection Error 81 | vGeek - Tales from real IT system Administration environment ldp.exe LDAPS Cannot open connection Error 81 | vGeek - Tales from real IT system Administration environment](http://vcloud-lab.com/files/resized/664211/782;393;7410109bce652e59fcb2dd167b6657c7676726ac.png)
ldp.exe LDAPS Cannot open connection Error 81 | vGeek - Tales from real IT system Administration environment
LDAP over SSL using port 636 not working. <Feature request : LDAPS Support> · Issue #4060 · Kong/kong · GitHub
![Error authenticating with the LDAP server. Check supplied credentials - Openfire Plugins - Ignite Realtime Community Forums Error authenticating with the LDAP server. Check supplied credentials - Openfire Plugins - Ignite Realtime Community Forums](https://discourse.igniterealtime.org/uploads/default/original/2X/b/b2509214b61d58a3184b30d1fb068005c5edd167.png)