diff --git a/domains/send.amit.json b/domains/send.amit.json
index c15913e7db..62675f5d82 100644
--- a/domains/send.amit.json
+++ b/domains/send.amit.json
@@ -5,7 +5,10 @@
   },
   "records": {
     "MX": [
-      "feedback-smtp.ap-northeast-1.amazonses.com"
+      {
+        "priority": 10,
+        "value": "feedback-smtp.ap-northeast-1.amazonses.com"
+      }
     ],
     "TXT": [
       "v=spf1 include:amazonses.com ~all"