diff --git a/src/externalldap.js b/src/externalldap.js
index d2c2de467..99e7bd99b 100644
--- a/src/externalldap.js
+++ b/src/externalldap.js
@@ -42,14 +42,14 @@ function translateUser(ldapConfig, ldapUser) {
 
     return {
         username: ldapUser[ldapConfig.usernameField],
-        email: ldapUser.mail,
+        email: ldapUser.mail || ldapUser.mailPrimaryAddress,
         displayName: ldapUser.cn // user.giveName + ' ' + user.sn
     };
 }
 
 function validUserRequirements(user) {
     if (!user.username || !user.email || !user.displayName) {
-        debug(`[LDAP user empty username/email/displayName] username=${user.username} email=${user.email} displayName=${user.displayName}`);
+        debug(`[Invalid LDAP user] username=${user.username} email=${user.email} displayName=${user.displayName}`);
         return false;
     } else {
         return true;