- Comments explain what each function does and why - Fixed unused strconv import in queue.go - Better documentation for SMTP email service - Explained journalctl log parsing in logs.go - Clarified queue operations in queue.go
- Hardcode paths: /usr/sbin/postqueue, /usr/sbin/postsuper, /usr/bin/journalctl - Fix postqueue: remove -p flag (conflicts with -j) - Add stderr logging for queue errors