MagicLink working in localhost but not in prod

"use server";

import { authClient } from "@/lib/auth-client";
import type { LoginRegisterSchema } from "@/schemas";
import type * as z from "zod/v4";

export async function loginAction(values: z.infer<typeof LoginRegisterSchema>) {
  console.log("values: ", values);
  const { error, data } = await authClient.signIn.magicLink({
    email: values.email,
    callbackURL: "/dashboard", 
  });
  console.log("loginAction: ", { error, data });
  if (error) {
    return {
      success: false,
      message: "An error occured while sending the email verification !",
    };
  }
  return { success: true, message: "Email sent !" };
}