switch to improvmx

switch to improvmx from zoho to leave place for a new email domain

domains/tx24.json

@@ -6,20 +6,16 @@
     "records": {
         "CNAME": "thex24.github.io",
         "TXT": [
-            "v=spf1 include:zohomail.eu ~all"
+            "v=spf1 include:spf.improvmx.com ~all"
         ],
         "MX": [
             {
-                "target": "mx.zoho.eu",
+                "target": "mx1.improvmx.com",
                 "priority": 10
             },
             {
-                "target": "mx2.zoho.eu",
+                "target": "mx2.improvmx.com",
                 "priority": 20
-            },
-            {
-                "target": "mx3.zoho.eu",
-                "priority": 50
             }
         ]
     },