[Dovecot] Dovecot 2.0 zlib and dbox

[Pascal Volk]

On 03/30/2010 12:01 AM Renaud Allard wrote:
> Hello,
> 
> As per wiki instructions, I tried to enable zlib compression of mails by 
> adding/modifying the following snippets of configuration:
> plugin {
>    zlib_save_level = 6
     Default value   ^^^^
>    zlib_save = gz
> }
> 
> and
> 
> protocol imap {
>    mail_plugins = fts fts_squat autocreate zlib imap_zlib
>    imap_id_log = *
> }
> 
> I am using dbox format and delivering the mails via dovecot deliver, 
> however mails don't seem compressed at all. It is not very clear if 
> compression is available for something else than maildir and mbox, so is 
> compression available with dbox format?
> 
> I am using dovecot-2-0-aefa279e2c70 from hg.

Yes, the zlib plugin works also with dbox storage. I've delivered five
mails, zlib plugin enabled, to user jane and the same 5 mails w/o zlib
plugin to user james.
# du -hs /tmp/ja*
92K     /tmp/james
68K     /tmp/jane

# ls -l /tmp/ja*/dbox/mailboxes/INBOX/dbox-Mails/u.* | awk '{print $5" "$8}'
11028 /tmp/james/dbox/mailboxes/INBOX/dbox-Mails/u.1
8326 /tmp/james/dbox/mailboxes/INBOX/dbox-Mails/u.2
4404 /tmp/james/dbox/mailboxes/INBOX/dbox-Mails/u.3
4744 /tmp/james/dbox/mailboxes/INBOX/dbox-Mails/u.4
4430 /tmp/james/dbox/mailboxes/INBOX/dbox-Mails/u.5
6465 /tmp/jane/dbox/mailboxes/INBOX/dbox-Mails/u.1
3813 /tmp/jane/dbox/mailboxes/INBOX/dbox-Mails/u.2
1964 /tmp/jane/dbox/mailboxes/INBOX/dbox-Mails/u.3
2137 /tmp/jane/dbox/mailboxes/INBOX/dbox-Mails/u.4
2035 /tmp/jane/dbox/mailboxes/INBOX/dbox-Mails/u.5

dovecot --version -> 2.0.beta4 (dbb05e38295a)
protocol lda {
  mail_plugins = sieve zlib
}


Regards,
Pascal
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