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Letterkeel: Send Email via SMTP, Resend, SendGrid & Mailgun

Letterkeel: send email from your own domain via SMTP, Resend, SendGrid, Mailgun, Postmark

Install

$claude mcp add --transport http letterkeel-send-email-via-smtp https://mcp.apify.com/?tools=cybermax/send-email&via=mcp-registry

Install command taken from the project's README or registry entry. Always review code before running it.

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