- Supabase: Custom SMTP for Auth emails, and sending from edge functions
- Lovable: Email and contact forms in a Lovable app, with a prompt to paste
- Next.js: Send from route handlers, receive with a signed webhook
- Cloudflare Workers: Send with fetch, verify webhooks with Web Crypto
- Claude Code, Cursor and other MCP clients: The Mektup MCP server
Integrations
Mektup works anywhere you can make an HTTPS request or open an SMTP connection. These guides have complete, working setups.
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