--On 24 June 2010 09:43:40 +0000 Kebba Foon <kebba.foon@???> wrote:
>
> Backscatterer - Why it is abusive and how to stop your system doing so
>
> Email servers should be configured to provide Non-Delivery Reports
> (bounces) to local users only.
> Unacceptable email from anywhere else should be rejected.
>
This is silly advice. It should be quite acceptable to bounce email that
has an SPF pass, or that has a valid DKIM signature (provided the return
path domain matches a signed From header domain). In both cases, if you're
creating collateral spam, then that's the fault of the domain operator.
--
Ian Eiloart
IT Services, University of Sussex
01273-873148 x3148
For new support requests, see
http://www.sussex.ac.uk/its/help/
