At 10:10 pm +0100 2004/03/14, Giuliano Gavazzi wrote:
>At 5:56 pm +0100 2004/03/14, Andreas Metzler wrote:
>>Hello,
>>I have received this as http://bugs.debian.org/237947
>>On 2004-03-14 "Steinar H. Gunderson" <sgunderson@???> wrote:
>>> While implementing greylisting in exim4 we came across an interesting
>>> possibility: Reject not _after_ DATA, but actually on the DATA command
>>> itself. (Most greylisting implementations seem to reject on RCPT, but
>>> that potentially breaks callouts etc. in all sorts of ugly ways.) Ie.
>>> something like:
[...]
>
>I do not understand how this would be different if done at the RCPT
>phase. Just send a temporary error then and you will not violate the
>RFC..
I missed the point about the reject at RCPT breaking callouts, but
still my point stands, as long as you do not apply greylisting to <>
senders until the end of the DATA phase, your will still not waist
much bandwidth and at the same time stay inside the standards. This
is the same I do for spam scoring.
Giuliano
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