Rex

Connect Mailgun

Send transactional emails through your own Mailgun domain.

1

Open the Mailgun integration

Navigate to the Integrations page.

Marketplaceβ€ΊIntegrations
2

Enter your Mailgun credentials

The settings modal opens. Enter your Mailgun API key and sending domain.

3

Save

Click Save Changes. Transactional emails route through your Mailgun account.

FieldDescription
KeyYour Mailgun private API key. Found in Mailgun under Settings β†’ API Keys.
DomainThe verified sending domain in your Mailgun account (e.g., `mail.yourvenue.com`).

Updated May 12, 2026

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