local-mail-server本地邮件服务器系统，基于 Stalwart Mail Server + Brevo 中继 + VPS 中继。支持完整的邮件收发功能，适用于无公网 IP 环境。触发词：邮件服务器、email、imap、smtp、stalwart、brevo、vps relay。
Install via ClawdBot CLI:
clawdbot install franklili3/local-mail-serverGrade Fair — based on market validation, documentation quality, package completeness, maintenance status, and authenticity signals.
Sends data to undocumented external endpoint (potential exfiltration)
POST → http://localhost:8080/api/principalAccesses system directories or attempts privilege escalation
sudo chownCalls external URL not in known-safe list
https://github.com/stalwartlabs/stalwart/releases/download/v0.15.5/stalwart-aarcAI Analysis
The skill describes a legitimate self-hosted mail server setup using standard open-source components (Stalwart, Postfix) and external services (Brevo, Tailscale) for relay and connectivity. The flagged signals are expected for system administration tasks (sudo chown for permissions, downloading releases from official GitHub repos, local API calls for configuration). No evidence of credential harvesting, hidden instructions, or data exfiltration to unauthorized servers exists.
Generated Mar 21, 2026
Freelancers or remote workers who need a private email server without exposing their home IP address. This setup provides professional email addresses using a custom domain while maintaining privacy and avoiding ISP restrictions on port 25.
Small companies with 5-20 employees who want to host their own email system for internal communications. The Brevo relay ensures reliable external email delivery while keeping all internal email traffic within their controlled infrastructure.
Software development teams needing a complete email server for testing email functionality in applications. Developers can test SMTP/IMAP integrations, email templates, and delivery workflows without relying on external services during development cycles.
Non-profits, activist groups, or research organizations that require email sovereignty and data control. This setup keeps email data on-premises while using Brevo's relay only for outbound delivery, avoiding third-party email provider data access.
Computer science departments or IT training programs teaching email server administration. Students can learn about SMTP, IMAP, DNS records, and email security protocols in a hands-on environment without needing expensive infrastructure.
Offer turnkey email server setup and management for small businesses. Provide ongoing maintenance, monitoring, and support for the Stalwart + VPS + Brevo configuration, charging monthly subscription fees based on number of mailboxes.
Provide one-time setup and configuration services for organizations wanting to self-host email. Charge for initial deployment, DNS configuration, and training, with optional retainer for ongoing troubleshooting and updates.
Offer the VPS relay component as a managed service while clients run their own local Stalwart instances. Provide guaranteed uptime, DKIM/SPF management, and monitoring for the public-facing email gateway portion of the architecture.
💬 Integration Tip
Ensure Tailscale VPN is properly configured between VPS and local server before testing email flow, and verify all DNS records (MX, SPF, DKIM) propagate completely to avoid delivery issues.
Scored Apr 19, 2026
Audited Apr 16, 2026 · audit v1.0
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