Re: [exim] spam acl condition syntax

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Autor: Stuart Gall
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A: Ian Eiloart
CC: exim-users
Assumpte: Re: [exim] spam acl condition syntax

On 13 Oct 2006, at 13:06, Ian Eiloart wrote:

>
>
> --On 13 October 2006 10:13:39 +0100 Philip Hazel
> <ph10@???>
> wrote:
>
>>
>> Providing "per user" scanning options is difficult because of the
>> problem of multiple recipients per message. Providing two or three
>> different scanning options that users can opt into is easier, by
>> temporarily rejecting (in the RCPT ACL) additional recipients that
>> have
>> a different setting to the first (and saving the option in a
>> variable).
>> I think there's info somewhere about how to do that (the wiki?). It's
>> untidy, though, and if you have only one IP address, it may delay the
>> additional recipients.
>>
>
> Another approach is to scan per user when there's only one
> recipient, but
> use sitewide settings when there's more than one recipient.


That makes sense or ideally

reject if score is higher than the highest user/domain setting
Which is in principle easy to do as it only requires a single number
to be communicated from the rcpt acl to the data acl

> If you're
> rejecting spam at SMTP time, then false positives should be
> notified to the
> sender.
>
> You could even do a fake reject after DATA (at some reasonable
> threshold),
> and then deliver the message through spamassassin using personal
> spamassassin settings and blackholing unwanted messages. The worst
> that can
> happen here is that a false positive leaves the sender incorrectly
> believing that their message hasn't been delivered.
>
>
> --
> Ian Eiloart
> IT Services, University of Sussex
>
> --
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