tweak to working details

env.mjs

@@ -2,7 +2,18 @@ import { createEnv } from "@t3-oss/env-nextjs";
 import { z } from 'zod';
 
 const env = createEnv({
-    
+    server: {
+        SMTP_USER: z.string().optional(),
+        SMTP_PASS: z.string().optional(),
+        SMTP_TO: z.string().optional(),
+        SMTP_HOST: z.string().optional(),
+    },
+    runtimeEnv: {
+        SMTP_USER: process.env.SMTP_USER,
+        SMTP_PASS: process.env.SMTP_PASS,
+        SMTP_TO: process.env.SMTP_TO,
+        SMTP_HOST: process.env.SMTP_HOST,
+    },
 })
 
 export { env }