소개
This skill streamlines the complex process of setting up and maintaining mailing list servers by providing structured guidance on integrating Mailman3 with the Postfix Mail Transfer Agent (MTA). It offers a clear multi-phase approach—from initial documentation review and configuration architecture to implementation and verification—ensuring that users avoid common pitfalls like manual alias generation or database persistence issues. Whether you are building a new email environment or troubleshooting delivery failures, this skill serves as a comprehensive playbook for professional-grade mailing list management.