Worked on the docker-mailserver/docker-mailserver repository to enhance operational documentation, specifically focusing on DKIM configuration changes. Developed and delivered updated guidance detailing the correct command sequence for restarting the Docker Mailserver after DKIM modifications, using Markdown to ensure clarity and accessibility. This documentation improvement aimed to reduce deployment risks and streamline incident response by making restart procedures explicit for DevOps teams. The work leveraged skills in Docker and documentation best practices, with all contributions concentrated on improving operational guidance rather than code or bug fixes. The update reflected a targeted approach to supporting safer, more efficient mail server deployments.