BREAKING CHANGE(smartmail): Improve email validation and Smartmail features: add detailed validation for email parts, caching for MX lookups, multi-recipient support, custom headers, and update dependency imports and build scripts.

npmextra.json

@@ -1,7 +1,7 @@
 {
   "npmci": {
     "npmGlobalTools": [
-      "@gitzone/npmts",
+      "@git.zone/npmts",
       "ts-node"
     ],
     "npmAccessLevel": "public"