diff --git a/main.tf b/main.tf
index cb076df..5708cf2 100644
--- a/main.tf
+++ b/main.tf
@@ -121,7 +121,8 @@ resource "aws_iam_user_group_membership" "user_groups" {
 #---
 resource "aws_ses_email_identity" "user_send_mail" {
   #  count = var.enable_sending_mail && local.email_address != "" ? 1 : 0
-  for_each = var.enable_sending_mail && local.email_address != "" ? { local.username = local.email_address } : {}
+  #  for_each = var.enable_sending_mail && local.email_address != "" ? { local.username = local.email_address } : {}
+  for_each = var.enable_sending_mail ? { local.username = coalesce(lowercase(var.email_address), module.user_email.search_result["attribute_value"][0]) } : {}
   #  email = local.email_address
   email = each.value
 }