Re: [Exim] Looking at Exim for anti-spam filtering

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Autor: Philip Hazel
Fecha:  
A: Lorens Kockum
Cc: exim-users
Asunto: Re: [Exim] Looking at Exim for anti-spam filtering
On 2 Feb 2000, Lorens Kockum wrote:

> How difficult would it be to add it in? RFC 821 says data can
> only get the permanent errors "exceeded storage allocation" and
> "Transaction failed", but I can argue that storage space for
> spam is 0 on my system :-)


RFC 821 is very old, and does not describe today's world very well. The
revision thereof is in the last stages of the IETF process and may (at
last!) see the light of day this year. However, in the matter of return
codes it hasn't changed much, but personally I am quite happy to use

554 Transaction failed

for errors after DATA. After all, that's what happened!

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.