For your business
Receipts, order updates, and a little thank-you. Send from your own domain, with help from the people who run Comail.
Email from your domain, through the co-op.
Email for your business, app, or newsletter, sent from your domain. You bring the software. We'll handle the delivery.
You share Comail's sending servers with other users. Send mail people expect to receive.
Sign in with your Bluesky or other AT Protocol handle. Then add your sending domain. Help with signing in
you make it, we'll send it
welcome.js
await transporter.sendMail({
from: "hello@yourapp.com",
to: "alex@example.com",
subject: "Welcome aboard!",
text: "Hi Alex,\n\nYou're in.",
});Nodemailer · smtp.atmos.email
hello@yourapp.comto alex@example.com
Welcome aboard!
Hi Alex,
You're in.
Connect your app to Comail.
Add your domain
Sign in and follow the setup steps to prove you own the domain.
Set up your app
Add Comail's SMTP settings to your app.
Start sending
Comail signs your mail and sends it through our shared servers.
Your domain, verified.
Comail signs your mail so email providers can verify the sender.
What will you send?
Build your own sending tools or connect software that supports SMTP. The fun part is yours.
For your app
Password resets and the updates people need. Connect your app or library to smtp.atmos.email:587.
For your newsletter
The next issue, straight to your subscribers. Bring your newsletter software and send mail people signed up for.
For developers
Roll your own software. Use our shared sending servers while your domain builds its own sending history.