Yes, I'll second Frank.  That's a great way to lose your email.

On Sep 7, 2011, at 1:05 PM, Francis Swasey wrote:

Please do not check that box!

The UVM Mail server DOES NOT support folders that contain both sub-folders and messages.


On 9/7/11 12:57 PM, Jeff Warden wrote:
[log in to unmask]" type="cite"> I'm running Thunderbird 6.0.1 and I had a similar problem and found a solution.

If you go to Tools > Account Settings > Server Settings > Advanced and check the box that says, "Server supports folders that contain sub-folders and messages".

I hope this helps,


On 9/7/2011 12:49 PM, Jonathan L. Trigaux wrote:
What version(s) of Thunderbird have you tested?


On Wed, 7 Sep 2011, Naima T. Dennis wrote:

We've been experiencing some erratic behavior from Thuderbird when attempting to create subfolders.   We create a folder that holds "Folders Only" properly but
when attempting to create the subfolders the "New Folder" option is not always available. You can create one new subfolder and then the "New Folder" option is not
available for subsequent folder creation.   When restarting Thunderbird the option is available again but you can use it only once.  The only way to get it to work
properly is to start Thunderbird in Safe Mode and have all Add Ons disabled.
If you are clicking on the main account>New Folder>Create as a subfolder of:  you cannot select "choose this for the parent" for any subfolder.

This sounds crazy but I was able to reproduce this on another machine and have had reports of the same behavior from other parts of the office.
Anyone have any insight?

Naima T. Dennis
Senior Assistant Registrar for Technology
The University of Vermont
360 Waterman Bldg.
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