What should I use instead of Mailgun for app emails?

If you’re looking for an alternative to Mailgun for app emails, the best choice depends on what you need most: ease of use, deliverability, cost, API quality, or transactional/email marketing features.

Good alternatives to consider

1. Postmark

• Best for: transactional emails
• Strong deliverability and very developer-friendly
• Great for password resets, receipts, notifications
• Usually simpler than Mailgun

2. SendGrid

• Best for: all-purpose app emails
• Solid API and lots of integrations
• Can handle both transactional and marketing email
• Widely used, but can feel a bit more complex

3. Amazon SES

• Best for: low cost at scale
• Very cheap
• Reliable, but more technical to set up
• Best if you’re comfortable handling DNS/authentication and want to optimize cost

4. Resend

• Best for: modern developer experience
• Easy API, good for product/app emails
• Popular for startups and SaaS apps
• Nice if you want a clean, simple workflow

5. SparkPost

• Best for: deliverability and scale
• Good analytics and infrastructure
• Less common than SendGrid/Postmark but still strong

6. Brevo (Sendinblue)

• Best for: email + marketing in one platform
• Includes transactional and marketing tools
• Can be a good value for small teams

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My quick recommendation

• Transactional emails only: use Postmark or Resend
• Cheapest at scale: use Amazon SES
• General-purpose option: use SendGrid
• If you liked Mailgun’s developer focus: try Resend

If you want, I can also recommend the best one based on:

• your app stack,
• email volume,
• whether you need marketing emails too,
• and your budget.