Update username and restructure MX and TXT records

domains/yourfiyan.json

@@ -1,16 +1,20 @@
 {
   "owner": {
-    "username": "yourfiyan",
+    "username": "Yourfiyan",
     "email": "yourfiyan@proton.me"
   },
   "records": {
     "CNAME": "yourfiyan.github.io",
     "MX": [
-      "mail.dnsexit.com",
-      "mail2.dnsexit.com"
+      {
+        "target": "mail.dnsexit.com",
+        "priority": 10
+      },
+      {
+        "target": "mail2.dnsexit.com",
+        "priority": 20
+      }
     ],
-    "TXT": [
-      "google-site-verification=Osw72MYr4ZOgV7xqjyvYzzBg4dLBiPM9GVdZ9DiS3Eo"
-    ]
+    "TXT": "google-site-verification=Osw72MYr4ZOgV7xqjyvYzzBg4dLBiPM9GVdZ9DiS3Eo"
   }
-}
+}