Run Postmark in distraction-free window, manage multiple Postmark accounts easily and much much more with the unofficial Postmark desktop app for macOS, Windows and Linux on WebCatalog.

Don't have WebCatalog installed? Download WebCatalog.


Launch Postmark quickly from dock or taskbar and run Postmark in self-contained, distraction-free windows.

Multiple Accounts

Manage multiple Postmark accounts at the same time and switch between them with just a click or using keyboard shortcut.

App Lock

Protect your data from sneaky eyes with passwords or Touch ID.

Enhanced Notifications

Control notifications by schedule and show unread badge on dock (or taskbar) icon.
Postmark delivers your transactional email to customers on time, every time.

Disclaimer: We are not affiliated, associated, authorized, endorsed by or in any way officially connected to Postmark except for the fact that we use their websites to develop and provide you this app. All product names, logos, and brands are property of their respective owners.