Features & Enhancements
- Add rspamd as a second spam filter alongside SpamAssassin
- Use List-Unsubscribe header URLs for unsubscribe link detection (#8)
- Add multilingual unsubscribe keywords for link detection (#8)
- Add one-click unsubscribe detection
- Improve FCrDNS UI: hide non-matching IPs when match exists (#4)
Internal Improvements & Refactors
- Update Go module dependencies