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mailman

Configure Postfix and Mailman3 integration with LMTP delivery verification.

Updated Apr 14, 2026
Search Tags:#system-administration#postfix#mail-delivery#mta#mailing-lists#lmtp#mailman3
One-click install
npx skills add https://github.com/bianhaifeng789-hue/openclaw-config --skill mailman-bianhaifeng789-hue
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mailman
Source: https://github.com/bianhaifeng789-hue/openclaw-config/tree/main/skills/tb2/mailman
Command: npx skills add https://github.com/bianhaifeng789-hue/openclaw-config --skill mailman-bianhaifeng789-hue

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps operators integrate Mailman3 with Postfix to reliably deliver mailing list traffic, avoid broken transports, and ensure list creation persists across restarts.

Core Features & Use Cases

  • Postfix and Mailman3 integration: Guidance for configuring mailman.cfg MTA settings and using Mailman-generated transport and alias maps.
  • LMTP and delivery verification: Steps to verify LMTP connectivity, correct ports, and that Postfix can hand off mail to Mailman.
  • Operational checks and debugging: Verification checklist and common pitfalls to diagnose empty transport files, persistence failures, and misconfigurations.
  • Use Case: Set up a production mailing list service where Mailman automatically generates Postfix maps and delivery is verified end-to-end.

Quick Start

Configure Mailman3 for Postfix integration, restart Mailman and Postfix, then verify LMTP connectivity and that transport/alias maps are populated.

Frequently Asked Questions about mailman

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I configure Postfix to deliver mailing list traffic via LMTP to Mailman3?▼

Configure Postfix for LMTP delivery to Mailman3 by setting the mailman.cfg [mta] settings and using Mailman-generated transport maps. This ensures Postfix correctly hands off mailing list traffic via LMTP.

Why does my Postfix Mailman3 integration result in an empty transport file?▼

An empty transport file in Postfix Mailman3 integration usually indicates a misconfiguration in mailman.cfg [mta] settings. Verify automatic Postfix transport map generation and check LMTP port connectivity to diagnose the issue.

How do I verify LMTP connectivity between Postfix and Mailman3?▼

Verify LMTP connectivity by checking LMTP port connectivity and ensuring Postfix can hand off mail to Mailman. Perform service status checks and database persistence verification to confirm end-to-end delivery.

Does Mailman3 automatically generate Postfix transport and alias maps?▼

Yes, Mailman3 automatically generates Postfix transport and alias maps when properly configured. This Skill guides you through enabling automatic map generation and verifying that the maps are populated correctly.

How do I ensure Mailman3 list creation persists across server restarts?▼

Ensure Mailman3 list creation persists across restarts by performing database persistence verification. This Skill provides an operational checklist to diagnose persistence failures and verify list provisioning workflows.

What is the best way to set up a production mailing list service with Postfix and Mailman3?▼

Set up a production mailing list service by integrating Postfix with Mailman3 for reliable delivery. Configure mailman.cfg MTA settings, enable automatic map generation, and verify LMTP delivery end-to-end.

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