dovecot - Mar 2010 - Dovecot 2.0 zlib and dbox

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
   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.

Best Regards

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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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