[Dovecot] zlib_save per namespace/mailbox?

Timo Sirainen tss at iki.fi
Thu Mar 29 02:37:03 EEST 2012

On 27.3.2012, at 19.49, Ben Schumacher wrote:

> On Thu, Sep 22, 2011 at 8:44 AM, Lutz Preßler <Lutz.Pressler at sernet.de> wrote:
>> the zlib_save question reminds me of a wish:
>> I think it's not possible to set zlib_save parameter per namespace (or even
>> mailbox). Per namespace would be something for the wish list to get rid of
>> the cron job method to compress archival mailboxes.
>> And maybe an option to add a "Z" flag to compressed maildir message files
>> as recommended in the wiki regarding compress crob job.
> +1 on this request. I have a slightly different use case -- I have
> both an dbox and Maildir. Incoming email goes to Maildir, but I
> archive off to dbox (using Thunderbird). After I archive my emails,
> compression seems like a reasonable choice.
> Any idea if this feature will be available at some point?

For v2.2 I'm hoping to have per-namespace mail settings, although I'm not sure if it actually gets implemented - so many other things to do as well. Then (among other things) you could do:

namespace foo {
  plugin {
    zlib_save = gz

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