ni-c/smtp-mcp
by Various
MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation
MCP
ni-c/smtp-mcp
Added 8 Sept 2026
Overview
MCP server for sending email over SMTP. It restricts recipients via an allowlist and requires a human confirmation step before any message is sent.
Best for
Best for
Developers who want a safe, human-approved email sending path for MCP agents
Use cases
- Send email from an AI assistant via MCP
- Restrict outbound mail to approved recipients
- Add a human-in-the-loop approval step to automated emails
Notes
MCP server for sending email over SMTP. It restricts recipients via an allowlist and requires a human confirmation step before any message is sent.
0 stars on GitHub. Last updated 2026-09-07. Licensed MIT.
Use cases
- Send email from an AI assistant via MCP
- Restrict outbound mail to approved recipients
- Add a human-in-the-loop approval step to automated emails
Pros
- Allowlist prevents sending to unapproved addresses
- Human confirmation adds a safety check before dispatch
- Uses standard SMTP, so it works with existing mail servers
Cons
- No community adoption or stars yet
- Human confirmation step blocks fully autonomous workflows
- SMTP-only, so no native support for transactional email APIs
Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.
Pros
- Allowlist prevents sending to unapproved addresses
- Human confirmation adds a safety check before dispatch
- Uses standard SMTP, so it works with existing mail servers
Cons
- No community adoption or stars yet
- Human confirmation step blocks fully autonomous workflows
- SMTP-only, so no native support for transactional email APIs
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