[Dovecot] sieve vacation response

[Stephan Bosch]

Timo Sirainen schreef:
> On Fri, 2009-08-07 at 19:21 +0200, Stephan Bosch wrote:
>>> dovecot: deliver(username): sieve: msgid=<...>: discarding vacation response for message implicitly delivered to <username at fqdn.hostname.com>
>>>
>>> Our final recipients are in the form of username at fqdn.hostname.com; it looks like this is being matched in sieve as address. But we want to match against original recipient address, not address after alias expansion.
>>>
>>> Any ideas?
>> Currently, you need to add all allowed aliases to the :addresses 
>> argument of the vacation command. My TODO list contains a new feature 
>> that lets you extract additional valid aliases directly from a 
>> dictionary (e.g. an SQL database). It is not at the top of my TODO list 
>> yet, but since you are not the only one needing this, I'll give it some 
>> more priority.
> 
> I don't think the above really needs a dict? Rather maybe there's a way
> to have the script check the original unexpanded address. Is it stored
> in some specific header, or how would Dovecot/Sieve know about it?
That is the problem. It usually isn't available anywhere, except perhaps 
in the Received: headers. Parsing those should yield all intermittent 
destination addresses. When one of those is also listed in one of the 
relevant headers of the message itself (To, Cc, Bcc, Resent-To, 
Resent-Cc, or Resent-Bcc), the vacation action would succeed.

I am not sure how valid and safe this is.


Regards,

--
Stephan Bosch
stephan at rename-it.nl