Sieve, disable duplicate suppression.

Michael Menge michael.menge at
Tue Feb 9 07:28:24 EST 2010

Quoting Bron Gondwana <brong at>:

> On Tue, Feb 09, 2010 at 11:22:01AM +0100, Carles Xavier Munyoz Baldó wrote:
>> Hello,
>> I have disabled the duplicatesuppression option in the imapd.conf file of my
>> Cyrus IMAP server. Nevertheless I have seen in the logs that the
>> duplicatesuppression mechanism is still on for users with a sieve script.
>> Why?
>> Is it possible to disable the duplicatesuppression mechanism for  
>> users with a
>> sieve script?
>> How?
>> From 2001!  Basically, duplicate suppression is required for sieve vacation
> support, otherwise you can get infinite mail loops.
> Bron.

Do be more specific the deliver.db is used to store the informations needed
to prevent loops by redirect and vacation, but the suppression can be
disabled with "duplicatesuppression: 0"

Michael Menge

M.Menge                                Tel.: (49) 7071/29-70316
Universität Tübingen                   Fax.: (49) 7071/29-5912
Zentrum für Datenverarbeitung          mail:  
michael.menge at
Wächterstraße 76
72074 Tübingen
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