Documentation

Build on email infrastructure you control.

Everything you need to run OwnSMTP, connect your backend, and send through your existing SMTP provider.

Overview

What OwnSMTP is and where it fits.

Send your first email in minutes.

Configure SMTP, security, and logging.

Endpoints, fields, and status codes.

Call OwnSMTP from common backends.

Run a hardened Compose deployment.

Deploy securely to a cluster.

Sender identity and inbox delivery.

Protect credentials and the API.

Diagnose common operational issues.