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.

tsconfig.json

@@ -6,9 +6,22 @@
     "module": "NodeNext",
     "moduleResolution": "NodeNext",
     "esModuleInterop": true,
-    "verbatimModuleSyntax": true
+    "verbatimModuleSyntax": true,
+    "declaration": true,
+    "sourceMap": true,
+    "outDir": "./dist_ts",
+    "rootDir": "./ts",
+    "strict": false,
+    "lib": ["ES2022", "DOM"],
+    "skipLibCheck": false
   },
+  "include": [
+    "ts/**/*"
+  ],
   "exclude": [
-    "dist_*/**/*.d.ts"
+    "node_modules",
+    "dist",
+    "dist_ts",
+    "**/*.spec.ts"
   ]
 }