Recreate nine iOS and Android Exchange setup screenshots with osk.team email addresses and mail.osk.team. Keep the existing setup flows and example usernames, and replace four generic mail-server placeholders in the two guides.
Use new -osk image filenames because nginx caches /assets/ for seven days. Remove the inherited originals so future builds do not publish them. All 58 screenshots were checked with OCR; no Russtol references remain. All image references resolve and the staged Zensical build reports No issues found.