LDAP Authentication

1. Sign in to your Mailserver 

 

 2. Go to System - Configuration 

 

 3. Access - Identity Provider 

 

 4. Setup LDAP Configuration 

 

 

 Server Settings 

 

 Input either Hostname or IP (Recommended: IP in case DNS f's up ) 

 Port 389 for LDAP, 636 for LDAPS 

 

 

 Encryption 

 

 For LDAPS, use StartTLS not SSL 

 For LDAP, disable SSL/StartTLS and Enable Ignore SSL Errors 

 

 

 Attributes 

 

 Base DN is usually your AD Domain ( dc=example,dc=local ) 

 Username Field is the LDAP User Attribute that will be mapped to the appropriate Mailbox. If this is empty, nothing will be done. 

 Attribute Field would be used for Attribute Mapping. With this a Mailbox Template can be assigned. 

 

 

 Bind Settings 

 

 Use a User that is not used for interactive Login and has limited Permission ( Read is enough ) 

 

 

 Synchronization 

 

 Enable User Creation so, on first login, the user is automatically created 

 Enable Import to import and sync existing Users