--On 24 June 2010 09:43:40 +0000 Kebba Foon <[email protected]> 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/



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