trim @domain from user name

utils/ldap.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"fmt"
+	"strings"
 )
 
 func GetMail(user string) string {
@@ -18,6 +19,9 @@ func GetUser(name string) string {
 		return ""
 	}
 	user := name[UidLenght:endIndex]
+
+        user = strings.TrimSuffix(user, "@"+Domain)
+
 	return user
 }