--On 5 August 2008 15:03:55 +0100 "Chambers, Phil"
<P.A.Chambers@???> wrote:
> I allow our users to opt-in and out of spam rejection at SMTP time. I
> use Exim and SpamAssassin to score messages.
>
> I use the scheme where I record the opt-in status of the first RCPT user
> and do a retry-later rejection for subsequent users who do not have the
> same status. If the first user has opted in then I can reject at the
> end of the DATA phase if the message exceeds the rejection threshold.
>
> This scheme has been working fine for several months.
>
> I now have one site which re-queues for all recipients if any one of
> them gets a retry-later, so they never get a message to us if it has
> multiple recipients with mixed opt-in statuses.
They're idiots. Tell them to fix their mail server. They'll have similar
problems with, for example, greylisting sites. And with sites where one
user is overquota, or there are similar temporary problems delivering email
to one user.
Name them and shame them!
>
> I would prefer not to add a whitelisting scheme to let them by-pass spam
> rejection. They claim that nowhere else can be doing what we are doing
> because we are the only site they have a problem with. I claim that
> they are acting differently from everywhere else because we have not had
> the problem reported from anywhere else.
>
> I bit of an imapasse!
>
> It appears to me from statements in their e-mail that their MTA software
> is home-grown.
>
> I am looking for concrete evidence that what I am doing is not unusual,
> so can you please let me know if your system uses the same scheme to
> allow opt-in for SMTP-time spam rejection?
>
> Thanks in advance,
>
> Phil.
> --------------------
> Phil Chambers
> Postmaster
> University of Exeter
--
Ian Eiloart
IT Services, University of Sussex
x3148
