Public NameSpace using sdbox with INDEXPVT for per-user-seen flags does not take into account the dovecot-shared file flag

[Panayiotis Fafakos]

Dear Timo,

we have successfully used *dovecot-shared* file flag in *Maildir 
**Public *NameSpaces with private index files, to have per-user-seen 
flags for some but not all *mailboxes *under public folders.
This was actually done on older dovecot versions (i.e *dovecot 
v2.2.33.2*) , using a *location* setting in *dovecot.conf* like:
location = 
maildir:/var/vmail/PublicFolders:LAYOUT=fs:DIRNAME=privDirMailFolder:INDEX=~/Maildir/public

We try to use similar *location* setting using *sdbox* storage in 
*dovecot v2.3.4.1*, like below:
location = 
sdbox:/var/vmail/PublicFolders:LAYOUT=fs:DIRNAME=dbox-MailFolder:INDEXPVT=~/Maildir/public
but the *dovecot-shared *file flag seems to be ignored.
As a result all mailboxes under public folders use the per-user-seen 
flags setting as set in the location setting, regardless of the 
existence of the dovecot-shared file flag or not.

Is there any setting to use so that only some mailboxes under public 
folders use per-user-seen flags?

Thank you in advance for your support,

Panos Fafakos.

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