MTA-STS worker example serving policy data directly

This example worker serves MTA-STS policy data directly. Adapt the

reply

reply

reply

reply variable to your needs and add this worker to each domain as a custom subdomain

mta-sts.<your_domain>

mta-sts.<your_domain>

mta-sts.<your_domain>

mta-sts.<your_domain>. This is a companion to -> https://github.com/fry69/certbot-cloudflare-dns-updaters

export default {
  async fetch(request, env, ctx) {
    const url = new URL(request.url);
    const path = url.pathname;

    // Define the allowed paths
    const allowedPaths = ['/.well-known/mta-sts.txt'];

    // Check if the path is allowed
    if (allowedPaths.includes(path)) {
      let reply = 'version: STSv1\n';
      reply += 'mode: enforce\n';
      reply += 'mx: mx1.example.com\n';
      reply += 'mx: mx2.example.com\n';
      reply += 'max_age: 604800\n';
      return new Response(reply, {
        headers: {
          "content-type": "text/plain",
        },
      });
     } else {
      // Serve a 404 response
      return new Response('Not Found', { status: 404 });
    }
  },
};

export default {
  async fetch(request, env, ctx) {
    const url = new URL(request.url);
    const path = url.pathname;

    // Define the allowed paths
    const allowedPaths = ['/.well-known/mta-sts.txt'];

    // Check if the path is allowed
    if (allowedPaths.includes(path)) {
      let reply = 'version: STSv1\n';
      reply += 'mode: enforce\n';
      reply += 'mx: mx1.example.com\n';
      reply += 'mx: mx2.example.com\n';
      reply += 'max_age: 604800\n';
      return new Response(reply, {
        headers: {
          "content-type": "text/plain",
        },
      });
     } else {
      // Serve a 404 response
      return new Response('Not Found', { status: 404 });
    }
  },
};

export default {
  async fetch(request, env, ctx) {
    const url = new URL(request.url);
    const path = url.pathname;

    // Define the allowed paths
    const allowedPaths = ['/.well-known/mta-sts.txt'];

    // Check if the path is allowed
    if (allowedPaths.includes(path)) {
      let reply = 'version: STSv1\n';
      reply += 'mode: enforce\n';
      reply += 'mx: mx1.example.com\n';
      reply += 'mx: mx2.example.com\n';
      reply += 'max_age: 604800\n';
      return new Response(reply, {
        headers: {
          "content-type": "text/plain",
        },
      });
     } else {
      // Serve a 404 response
      return new Response('Not Found', { status: 404 });
    }
  },
};

export default {
  async fetch(request, env, ctx) {
    const url = new URL(request.url);
    const path = url.pathname;

    // Define the allowed paths
    const allowedPaths = ['/.well-known/mta-sts.txt'];

    // Check if the path is allowed
    if (allowedPaths.includes(path)) {
      let reply = 'version: STSv1\n';
      reply += 'mode: enforce\n';
      reply += 'mx: mx1.example.com\n';
      reply += 'mx: mx2.example.com\n';
      reply += 'max_age: 604800\n';
      return new Response(reply, {
        headers: {
          "content-type": "text/plain",
        },
      });
     } else {
      // Serve a 404 response
      return new Response('Not Found', { status: 404 });
    }
  },
};

GitHub

GitHub - fry69/certbot-cloudflare-dns-updaters: Automates the proce...

Automates the process of creating and updating DANE TLSA and MTA-STS records in Cloudflare DNS - fry69/certbot-cloudflare-dns-updaters

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MTA-STS worker example serving policy data directly

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