Resend vs Postmark

import { Resend } from 'resend';
import { WelcomeEmail } from './emails/WelcomeEmail';

const resend = new Resend(process.env.RESEND_API_KEY);

await resend.emails.send({
  from: 'hello@yourdomain.com',
  to: 'user@example.com',
  subject: 'Welcome!',
  react: <WelcomeEmail username="Vamsi" />,
});

import { ServerClient } from 'postmark';

const client = new ServerClient(process.env.POSTMARK_API_TOKEN);

await client.sendEmail({
  From: 'noreply@myapp.com',
  To: 'user@example.com',
  Subject: 'Your receipt',
  HtmlBody: '<p>Thank you for your purchase!</p>',
  MessageStream: 'outbound',
});