Notify vs Postmark for transactional email

If you mean Notify (GOV.UK Notify) vs Postmark for transactional email, the short version is:

• Choose Notify if you want simple, reliable email with minimal setup, especially for public sector / UK-focused use cases.
• Choose Postmark if you want more developer features, stronger email delivery tooling, better template/workflow control, and a more general-purpose transactional email platform.

Quick comparison

Area	GOV.UK Notify	Postmark
Ease of setup	Very easy	Easy, but more configurable
Best for	Simple transactional email	Product/app transactional email
Deliverability	Good	Excellent reputation and deliverability focus
Templates	Simple, text-based	More flexible, API-driven templates
API	Straightforward	Strong and feature-rich
Analytics	Basic	Better message tracking and events
Attachments	Limited	Supported, with more control
UK public sector fit	Excellent	Not specific
Branding/customization	Limited	More control
Compliance/governance	Strong public-sector controls	Good, but not government-specific

When to pick Notify

Use Notify if:

• You need to send password resets, alerts, confirmations
• You want a low-maintenance service
• You’re in or serving the UK public sector
• You don’t need advanced routing, webhooks, or rich email tooling
• You value simplicity over flexibility

When to pick Postmark

Use Postmark if:

• You’re building a software product
• You want better visibility into opens, bounces, delivery, suppression, and events
• You need more control over templates, tags, webhooks, and message streams
• You expect to scale or need a more polished developer experience
• You want a provider designed specifically around transactional deliverability

Practical recommendation

• For most app teams: Postmark
• For government or very simple notification systems: Notify

If you want, I can also give you:

1. a feature-by-feature deep comparison,
2. a pricing comparison, or
3. a recommendation based on your exact stack/use case.