On the “Edit Claim Issuance Policy” dialog box, click “Add Rule…”.
Choose “Send LDAP Attributes as Claims” and click “Next.
Fill out the following and click “Finish”.LDAP Attribute: E-Mail-Addresses
Outgoing Claim Type : E-Mail Address
Click “Add Rule” to add another claim rule.
Choose “Transform and Incoming Claim” and click “Next”.
Fill out the following and click “Finish”.Incoming claim type: E-Mail Address
Outgoing claim type: Name ID
Outgoing name ID format: Email
Choose “Pass through all claim values”