Re: [exim] Hotmail

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Szerző: Andrew - Supernews
Dátum:  
Címzett: Jethro R Binks, Exim Mailing List
Tárgy: Re: [exim] Hotmail
>>>>> "Jethro" == Jethro R Binks <jethro.binks@???> writes:

Jethro> The point of the X- prefix was to guarantee a namespace that
Jethro> would never be used by any subsequent standard, and was thus
Jethro> safe for arbitrary use. The suggestion seems to have gone
Jethro> away over time for whatever reason.

The reason is fairly simple when you think about it.

If you encourage people to use an X- prefix when inventing new
headers, and those headers then become popular and widespread, you
then have the problem that you can never standardize those headers
because the X- prefix is reserved.

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Andrew, Supernews
http://www.supernews.com