Bug in renaming folder hierarchies - any reaction ?

Klaus Steinberger klaus.steinberger at Physik.Uni-Muenchen.DE
Tue Mar 2 21:35:16 EET 2021


Hi,

no comments on this?  This is definitly with two different IMAP Clients
reproducible.

This led already to some message loss in user Mailboxes.


> we discovered a major problem with renaming folders with subfolders
> 
> testszenario:
> 
> folders:
> 
> test1
> test1/test1-1
> test1/test1-2
> 
> all 3 folders contain a test message
> 
> after renaming the top level folder  test1 to test2 following folders exist:
> 
> test2
> test2/test1-1
> test2/test1-2
> 
> the subfolders test1-1 and test1-2 are empty, the top level folder contains the
> correct message.
> 
> 
> Now renmaing test2 back to test1:
> 
> Alle folders again  contain their messages.
> 
> So this looks like during renaming the top level folder just the message
> references for the subfolders got lost, and with renaming back they are there again.
> 
> I can reproduce this behavior both with thunderbird and Horde Webmail as a
> client, also it happens with a second different dovecot setup
> 


Sincerly,
Klaus Steinberger
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