Mailgun is a powerful email service for developers and businesses, focused on deliverability and scalability.

At a glance
- Free tier
- Free plan: 100 emails/day
- Paid from
- $15/mo (Basic, 10,000 emails/mo) · pricing page
- Public API
- Yes docs
- MCP server
- Yes · Official open-source MCP server, documented in Mailgun docs (github.com/mailgun/mailgun-mcp-server)
- Best for
- Developers sending transactional email via API
- Website
- https://www.mailgun.com
Mailgun pricing
Free plan: 100 emails/day. Paid plans start at $15/mo (Basic, 10,000 emails/mo). Current numbers live on the Mailgun pricing page.
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How Mailgun compares
See Mailgun alternatives, or line it up head to head: Mailgun vs Substack.
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