Re: Duplicate test

Stephan Bosch <[email protected]>
Newsgroups gmane.ietf.mta-filters
Message-ID <[email protected]>
On 1/16/2013 11:36 PM, Alexey Melnikov wrote:
> On 14/01/2013 12:23, Stephan Bosch wrote:
>> Hi,
>>
>> A while back I built a non-standard Sieve extension for detecting 
>> duplicate message deliveries, e.g. as seen when people cross-post 
>> over multiple mailing lists. This functionality is very similar to 
>> what could be achieved with Procmail using formail -D. Someone 
>> requested this at some point and in a moment of boredom I built the 
>> initial implementation. Last year I extended it a bit and I made it 
>> more generic. I never intended for this to be standardized, but - now 
>> that I look at it again - I think this may yet be of some interest to 
>> other Sieve implementers as well.
>>
>> I make a habit of documenting my custom Sieve extensions in a 
>> familiar RFC-like manner:
>>
>> http://hg.rename-it.nl/dovecot-2.1-pigeonhole/raw-file/tip/doc/rfc/spec-bosch-sieve-duplicate.txt 
>>
>>
>> What do you think? Would you be interested in having functionality 
>> like this standardized? Should I submit this as a draft?
> I think this would be worth standardizing. Some comments on the document:
>
> 1). I think the text motivating existence of this extension needs a 
> bit of restructuring: it first introduces a very generic concept of 
> matching and only later it talks about duplicate suppression. I would 
> reverse that: describe some specific use cases first, then generalize.

Agreed. I'll revise that in the next version.

Regards,

Stephan.
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