From Claws Mail FAQ
Tray_unreadmarkedmail.offline.png (16 × 16 pixels, file size: 366 bytes, MIME type: image/png)
Click on a date/time to view the file as it appeared at that time.
|current||11:16, 4 May 2008||16 × 16 (366 bytes)||Claws|
- You cannot overwrite this file.