When a provider goes down, your email takes the other route.

One API in front of your own SES, SendGrid, Mailgun, Postmark, Resend and SMTP accounts. CourierX fails over between them automatically, using your keys and your reputation.

Open source and self-hostable. View the code on GitHub

Create a workspace

Connect your first provider in the next step.

Workspace name

Email

Password

Already have a workspace? Sign in