npm i strapi-provider-email-resend-strapi

module.exports = ({ env }) => ({
  ...
  email: {
    config: {
      provider: 'strapi-provider-email-resend-strapi',
      providerOptions: {
        apiKey: env('RESEND_API_KEY'), // Required
      },
      settings: {
        defaultFrom: 'me@example.com', // env('RESEND_DEFAULT_FROM')
        defaultReplyTo: 'me@example.com', // env('RESEND_DEFAULT_FROM')
      },
    }
  },
});