Re: [address-policy-wg] "Dirty" recycled network assigned

[Florian Weimer fw@localhost]

* Janos Zsako:

>> 2. There is MORE than 1 IP address using for mail service.
>
> You can offer mail relay service through your mail server(s).
>
> The customer(s) should then configure their mail servers to forward
> mail to the "smart" host (your relay), rather than deliver it
> directly.

You also need to rewrite Received: lines, to remove records of the
supposedly infected address space.  And you should do this on a separate
server on a dedicated prefix, so that misguided blacklist operators do
not retaliate against your main mail service for doing that. 8-(