Changes:
- Spam heuristics fixed and improved with over 50 rules - impersonation, homograph/zero-width tricks, phishing links, password forms, dangerous attachments, BEC shape
- UI
- Red ! means spam only; hover lists every rule with weights and the total
- Sent/Drafts show, sort and search To instead of From
- Clipboard images can be pasted now pasted in compose mail editor
Bug fixes:
- ARC read, so mailing lists are no longer marked
- message list didn't notice the open folder had changed until an unrelated event fired