transactional email · by ecohost

Email for your app. Sent from your domain.

remail is an email API compatible with Resend. Keep the official SDKs, change the base URL, and send from your own domain, signed with DKIM and hosted in Brazil.

Switching from Resend takes one line: baseUrl.

send.ts

import { Resend } from 'resend';

const resend = new Resend('re_123456789', { baseUrl: 'https://api.remail.host.eco.br' });

await resend.emails.send({
  from: 'Acme <onboarding@acme.com>',
  to: ['delivered@example.com'],
  subject: 'Hello world',
  html: '<strong>It works!</strong>',
});

POST /emailsqueued → sent

what you get

The email layer, taken care of.

Everything your app needs to send and receive email, without running a mail server yourself.

Resend-compatible

Use the official Resend SDKs. Point baseUrl at remail and leave the rest of your code alone.

Signed as you

Every domain gets its own DKIM key. SPF and a dedicated return path keep DMARC aligned.

Batch, schedule, retry

Up to 100 emails per call, scheduling up to 30 days ahead, and automatic retries on temporary failures.

Never sent twice

Pass an Idempotency-Key and a retried request returns the original email instead of a duplicate.

Scoped API keys

Full access or sending only, optionally limited to a single domain.

Receive and forward

Point your MX at remail and forward one address, or all of them, to the inboxes you already use.

how it works

From zero to inbox in three steps.

Create a key
Open API Keys in the dashboard and create one. It is shown only once, so copy it right away.
Verify your domain
Add your domain and publish the DNS records it shows. remail checks them every 10 minutes, or on demand.
Send
Call the API with any Resend SDK or plain HTTP. Every message shows up in the dashboard, with its events.

receiving

Mail to your domain, where you already read it.

Turn on receiving for a domain and set forwarding rules: a single address, plus-tags, or a catch-all.

SPF, DKIM and DMARC checked on every incoming message
Forgeries of p=reject domains refused at the door
ARC-sealed forwarding, so it still passes at the other end
Every received message visible in the dashboard

tohello@acme.com

spf · dkim · dmarcpass · pass · pass

rule* → team@gmail.com

sealARC

statusforwarded