mailman

Guidance for setting up and configuring mailing list servers with Postfix and Mailman3. This skill should be used when tasks involve configuring email servers, mailing list management, LMTP integration, or mail delivery pipelines. Applies to tasks requiring Postfix-Mailman integration, subscription workflows, or email broadcast functionality.

$ インストール

git clone https://github.com/letta-ai/skills /tmp/skills && cp -r /tmp/skills/ai/benchmarks/letta/terminal-bench-2/trajectory-feedback/mailman ~/.claude/skills/skills

// tip: Run this command in your terminal to install the skill