Postmark on a Mac
Fast, reliable transactional email (cloud) · Mailing Lists
Postmark specializes in fast, reliable transactional email with strong deliverability, plus broadcast streams for newsletters/lists. Hosted — send via the API or SMTP with a server token; separate message streams keep transactional and broadcast mail apart.
Run Postmark with FrontierStack
FrontierStack lists Postmark in its Mailing Lists catalog. Postmark is a hosted service, so there is nothing to install — connect your account with an API token and FrontierStack watches it alongside everything you self-host: reachability, its published status, and alerts when it stops answering. Credentials stay in your Mac's Keychain.
Run it all from one Mac app.
FrontierStack installs, monitors and secures the whole stack — locally and across your fleet — from a single native macOS app.
Download FrontierStack