Up to now I can right click on email and select "list mail from sender". That has stopped. I use this function every day to remove emails from my inbox and sort them into folders. The menu item is still present but the functionality is not.
Please let me know what has changed and how this can be resolved.
Using Safari 7.0.6
The same problem is showing-up in Firefox 31. Same problem for Firebox 32
In reality, the search function is not working right. I can also search for emails from a specific contact from within Advance Search and the search will not turn up emails from the same sender in the inbox.