"Alexander Bauer" <[email protected]> wrote on 6.1.2010 10:48:31:
>
>Hi Miha,
Hi Alexander,

>what do you mean with collisions ?
>Two different Message-IDs with the same Hash ?
>In that case you should never get 2% collisions.

If you re-read my message closely especially the part about my stats, you'll 
see that I wrote "Minimum is a zero about 2% of messages." That means that I 
have approx 2% of messages without the actual Message-Id. Also as you quoted 
The field is optional although if not present most of up to date mail servers 
will add it.

>A hash over the hole header, is not a good Idea. Because if you get a message 
>twice from different Mailservers, you will not detect the duplicate.
True. But I would still compare at least Date and From fields.

Regards,
Miha
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