Using virtual folders with younger and index files

[David Mehler]

Hello Rob,

Do you by chance have a virtual/All folder which holds all your
messages? If so, could I see that configuration?

Thanks.
Dave.


On 2/27/18, Rob Hoelz <rob+dovecot at hoelz.ro> wrote:
> Hi list,
>
> I just encountered a problem while using dovecot's Virtual plugin with
> 2.3.0.  I managed to solve the issue,
> but I wanted to bring it to the attention of others on the list to see if
> there exists a better solution, if
> I found a bug, or if it's just a matter of updating documentation.
>
> I have a virtual folder to get the most recent two weeks of mails; it looks
> something like this:
>
>> INBOX
>>   all younger 1209600
>
> I made this folder back in October.  Lately, I started to notice that the
> virtual folder had a surprising amount
> of mail in it - I don't get 1,000 e-mails per week!  After some doveadm
> commands, I realized that e-mails from
> October were still present in my virtual folder!  Updating the
> dovecot-virtual would clear away e-mails older than
> two weeks (I needed to actually introduce a change, even if it was just
> whitespace - just touching the file didn't
> update things), and removing the dovecot index file also cleared things
> away.  In then end, I ended up just telling
> dovecot to disable on-disk indexes for that folder.
>
> I created this folder based on the examples on
> https://wiki.dovecot.org/Plugins/Virtual - I'm wondering if I found a bug
> or if that page should be changed to recommend disabling on-disk indexes
> when using certain search query filters such as
> "younger".  If the latter, I can always make the change - just let me know!
>
> -Rob
>