Questions about hardlinks, alternate storage and compression

Gionatan Danti g.danti at
Thu Nov 26 14:02:49 UTC 2015

Il 14-07-2015 14:44 Gionatan Danti ha scritto:
> On 14/07/15 12:26, Steffen Kaiser wrote:
>> You asked about "newer dovecot versions", v2.2 does so.
> Fair enough :)
> So, with v2.2+ the hardlink approach is irremediably gone, at least
> with LMTP (and without relying to SiS)?

Dear list,
sorry if I resume this (relatively) old post, but I would like to know 
if someone has some good suggestions/ideas.

A quick recap...
System spec:
- CentOS 6.6 x64
- dovecot-2.0.9-8.el6_6.4.x86_64 RPM package/version
- sdbox mail store

I have two problems:
1) hardlinks are not created when the same email is sent to multiple 
rcpt, nor when sending to the very same user (a non-linked copy is kept 
both in Inbox and Sent)
2) I would like to have an alternate storage and to enable compression 
on it only, leaving the main location without compression. It is 

Relative to the hard-link problem, I found that not using before_sieve 
and after_sieve solves my problem, so that hardlinks are created 
correctly. However, this is far from ideal because I lose global sieve 
rules (global/defaul rules are only applied when no customized rules 

Any idea to how to solve these two problem?

Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. -
email: g.danti at - info at
GPG public key ID: FF5F32A8

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