Making sub-folder email reappear after recovery from backup

[Adam Tauno Williams]

On Fri, 2012-11-02 at 11:16 -0400, Gordon Marler wrote:
> Can't find this mentioned in the docs or with any search I've done on 
> the mailing list, so here goes:
> - Upgraded from 2.4.10 to 2.4.16 after losing my 2.4.10 system, but 
> having mail spool backed up
> - After moving to the 2.4.16 system, able to see Inbox for accounts
> - Had to make sub-folders reappear with command like (Thank you mailing 
> list for that tidbit!):
>    reconstruct -p default -rf user.gmarler.<Subfolder>
> - Now I can see the Inbox, Subfolders, Sub-subfolders, etc in Thunderbird
> BUT - Only Inbox has visible emails - All of the subfolders "appear" to 
> be empty, but there are definitely mails in them on the mail spool.
> Looks like I forgot a step somewhere.  Where have I gone wrong?

reconstruct, with the -r [recursive] and -f [examine filesystem for
mailboxes] options.