Rebuild/Fix Mail Dbs/Boxes

I've read what I could find in the changelog that is posted and also tried searching threads for this but I don't seem to find anything. Did you remove this from WHM? It's no longer in the menu. We did notice that when we used it, it fixed some boxes. We are currently running cPanel 10.5.0-C49 on centOS

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Rebuild/Fix Mail Dbs/Boxes

Overview
This function rebuilds mail databases and fixes permission problems on mail databases and mail boxes.

Steps
1 To access the Email Menu, click on Email, on the main screen of your WebHost Manager interface.

2 Click on Rebuild/Fix Mail Dbs/Boxes.

3 Your mail boxes and databases should now be fixed. Complete! will be displayed.

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Thanks in advance for your answer.