Migration · From Mailgun
Mailgun migration in a single sprint
Inbox OSS provides a Mailgun-compatible /api/v1/{domain}/messages endpoint plus the same webhook signature scheme. Your existing /messages.mime calls keep working.
API compat layer
POST /api/v1/{domain}/messages and /api/v1/{domain}/messages.mime accepted with Mailgun's form-encoded body.
Webhook signatures
HMAC-SHA256 signature on the same token+timestamp scheme. Drop-in handler reuse.
Suppression import
Bounces, unsubscribes, complaints all importable from Mailgun JSON exports.
Template parity
Mailgun Handlebars templates run unchanged on our renderer.
Inbound routes
Mailgun routes translated 1:1 into our Inbound Parse rules.
Free migration support
Our team mirrors your domains, templates, and routes during your cutover week.
Start sending email in under 5 minutes.
Free plan includes 3,000 emails/month forever. No credit card required.