Service Info
- Category
- Business & Dev
- Provider
- Postmark
- Website
- account.postmarkapp.com
- Pricing
- Free / Paid plans
Kagemusha Setup
- Preset
- Built-in
- Icon
- Auto-configured
- Notifications
- Supported
- Extensions
- Available
Contents
What is Postmark?
Postmark is a popular web service. Turn it into a standalone macOS app with Kagemusha for a dedicated, focused experience.
Why Use Postmark as a Desktop App on Mac with Kagemusha?
- One-click launch from Dock: No more opening a browser and searching for bookmarks
- Quick switch with Cmd+Tab: Access it like any native app. No more lost tabs
- Isolated profile: Independent from your browser session. Manage login states separately
- Extension support: Install Chrome extensions to extend functionality
Recommended Usage
With Kagemusha's Space Mode, you can combine GitHub + AWS Console + Supabase into a single app. Switch between them with one click in the sidebar: perfect for managing related services side by side.
How to Set Up
Launch Kagemusha and select "Postmark" from the preset list. No URL or icon configuration needed. Click "Create" and your macOS app is generated in seconds.
Use Postmark as a Desktop App on Mac
Download Kagemusha and create up to 3 apps for free.
Download FreeAlternatives to Postmark
Other transactional email services, compared with Postmark by company and price.
| Service | Company | Founded | Free plan | Cheapest paid plan | Reviews |
|---|---|---|---|---|---|
| Postmark (this page) | ActiveCampaign | 2010 | Yes | US$15/month (Basic, 10,000 emails/month) | Capterra Trustpilot |
| SendGrid | Twilio Inc. | 2009 | No | US$19.95/month (Essentials, 50,000 emails/month) | Capterra Trustpilot |
| Mailgun | Sinch | 2010 | Yes | US$15/month (Basic, 10,000 emails/month) | Capterra Trustpilot |
| Amazon SES | Amazon Web Services, Inc. | 2006 | No | no monthly fee; US$0.10 per 1,000 emails | Capterra Trustpilot |
| SocketLabs | SocketLabs LLC | 2007 | No | US$39.95/month (Core, 40,000 emails/month) | G2 Capterra Trustpilot |
| SparkPost | Bird B.V. | 2011 | Yes | from US$15/month (Startup) | G2 Capterra Trustpilot |
Checked against each company's official pages and other sources on October 9, 2026. See each company's site for current details.
Sources
- Postmark: Company, Founded, Headquarters, Size, Free plan, Cheapest paid plan
- SendGrid: Company, Founded, Headquarters, Size, Free plan, Cheapest paid plan
- Mailgun: Company, Founded, Headquarters, Size, Free plan, Cheapest paid plan
- Amazon SES: Company, Founded, Headquarters, Size, Free plan, Cheapest paid plan
- SocketLabs: Company, Founded, Free plan, Cheapest paid plan
- SparkPost: Company, Founded, Size, Free plan, Cheapest paid plan
The company behind Postmark
- Company
- ActiveCampaignSource
- Founded
- 2010Source
- Headquarters
- Chicago, USA (ActiveCampaign)Source
- Size
- Valuation: over US$3 billion for ActiveCampaign (April 2021)Source
Checked against each company's official pages and other sources on October 9, 2026. See each company's site for current details.
Reviews Elsewhere
Read what users say about Postmark on these independent review sites (not affiliated with Kagemusha).
Related Services
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Do you run Postmark?
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Disclaimer: Kagemusha is not affiliated, associated, authorized, endorsed by, or in any way officially connected with Postmark.
The Postmark name and logo belong to their owner. They appear here only to show which service Kagemusha can open.