SMTP

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

Source

Official Registry

Updated

2026-09-07

// securityCaution

Requires keys· SMTP_HOST, SMTP_PORT, SMTP_TLS, SMTP_USER, SMTP_PASSWORD, SMTP_FROM, SMTP_REPLY_TO, SMTP_ALLOW_SEND, SMTP_ALLOWED_RECIPIENTS, SMTP_MAX_RECIPIENTS, SMTP_MAX_SENDS_PER_HOUR, SMTP_MAX_MESSAGE_BYTES, SMTP_MAX_ATTACHMENT_BYTES, SMTP_ATTACHMENT_DIR, SMTP_ATTACHMENT_TYPES, SMTP_SIGNATURE, SMTP_AUDIT_LOG, SMTP_ALLOW_TOOLS, SMTP_DENY_TOOLS, SMTP_INSECURE_TLS
Runs locally
Official / curated
Open source
Community-trusted

Running security audit…

// install

Copy the install command and let the AI configure it · recommended for beginners

Please install the "SMTP" MCP server from askskill:
Run: claude mcp add 'io-github-ni-c-smtp-mcp' -- npx -y @ni-c/smtp-mcp

// docs

No documentation provided

Check the source repo for usage and examples.

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