Change MX record key from 'host' to 'target'

domains/send.amanuel.json

@@ -4,7 +4,7 @@
     "email": "amuif28@gmail.com"
   },
   "records": {
-    "MX": [{"host": "feedback-smtp.eu-west-1.amazonses.com", "priority": 10}],
+    "MX": [{"target": "feedback-smtp.eu-west-1.amazonses.com", "priority": 10}],
     "TXT": ["v=spf1 include:amazonses.com ~all"]
   }
 }