✓ Reliable reply engine
✓ Polls every 10s / 30s / 1m / 5m (your choice)
✓ Rate-limited sends with configurable pause between messages
✓ One reply per sender, guaranteed
✓ Fully configurable
✓ Visual rule editor with live match summary
✓ HTML template editor with placeholder variables
✓ Per-rule subject lines and attachments
✓ Polished, friendly UI
✓ Light & dark themes
✓ System-tray operation with pause/resume
✓ Activity log of every send, skip, and error
✓ Automatic update checks — get notified and install new versions in-app