diff --git a/apps/remix/app/routes/_h._index.tsx b/apps/remix/app/routes/_h._index.tsx
index 9a95464..a7f7005 100644
--- a/apps/remix/app/routes/_h._index.tsx
+++ b/apps/remix/app/routes/_h._index.tsx
@@ -25,6 +25,7 @@ import Info from "~/components/icons/Info";
 
 import { useTranslation } from "react-i18next";
 import { useSenderModal } from "~/components/sender";
+import { getRandomCharacter } from "lib/hooks/utlis";
 
 export const meta: MetaFunction = () => {
   return [
@@ -116,7 +117,7 @@ export const action: ActionFunction = async ({ request }) => {
       };
     }
 
-    const mailbox = `${randomName("", ".")}@${domain}`;
+    const mailbox = `${randomName("", getRandomCharacter())}@${domain}`;
     const userMailbox = await userMailboxCookie.serialize(mailbox);
     return redirect("/", {
       headers: {
diff --git a/apps/remix/lib/hooks/utlis.ts b/apps/remix/lib/hooks/utlis.ts
new file mode 100644
index 0000000..8ebcb00
--- /dev/null
+++ b/apps/remix/lib/hooks/utlis.ts
@@ -0,0 +1,4 @@
+export function getRandomCharacter(): string {
+  const characters = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ.";
+  return characters.charAt(Math.floor(Math.random() * characters.length));
+}