Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun
Server Details
Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
The last two health checks of this connector failed. If this server requires authentication, missing or expired test credentials may be the cause. A test profile lets Glama authenticate for health checks and discover tools; it is separate from your personal connections.
If you are the author, claim ownership, then add or update a test profile under Admin → Test Profile.
- Status
- Unhealthy
- Uptime
- 0.0% over 24 days
- OAuth
- Works in Glama
- Last Tested
- Transport
- Streamable HTTP
- URL
- ChatGPT
- –
- Claude
- –
Related MCP Connectors
Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark
Email for AI agents — send, receive as a webhook, manage domains, templates, routing.
Email for AI agents: send mail, manage contacts, automations & webhooks. Zero-DNS first send.
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