Phil Chambers <P.A.Chambers@???> said, in message
SIMEON.10804141704.K@???:
> There is a spam-blocking scheme where you allow users to opt in or
> out of SMTP rejections. This is done by deferring at RCPT TO time
> any users who have opted differently from the first recipient. So,
> at DATA time you can to accept or reject all recipients which did not
> defer because they have all opted the same way. You expect the other
> recipients to arrive in a re-try later.
>
> Is this widely used? Are there any significant reasons for not doing
> it?
We're using it for aber.ac.uk (around 12,000 users) and have been for around
2 years now with no problems.
Cheers,
Alun.
--
Alun Jones auj@???
Systems Support, (01970) 62 2494
Information Services,
Aberystwyth University.
