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Postmark

Postmark is an HTTP-based email provider. Add it from the dashboard’s Relays page, choose Postmark, and fill in the settings below. See the provider overview for how relays fit into routing.

Dispatch sends through Postmark’s REST API (JSON). All standard message capabilities are supported - see message features for the full list (multiple To recipients, CC, BCC, text + HTML bodies, custom headers, and attachments).

Setting Required Description
Server Token Yes The Postmark server API token. Encrypted at rest.
Message Stream No The message stream to send on (defaults to outbound).
  • The Server Token comes from a specific Postmark server’s API Tokens tab.
  • Set Message Stream if you use a non-default stream (e.g. a separate broadcast stream).
  • After saving, send a test email from the dashboard and watch the relay log live to confirm delivery.