Repeated Blacklisting / IP reputation

Kevin Loch kloch at
Thu Sep 10 14:59:59 UTC 2009

Benjamin Billon wrote:
>>  Why don't we just blacklist everything and only whitelist those we know
>>  are good?
>> <snip>
>>> Note we all could start using IPv6 and avoid this problem altogether.
>> <snip>
> Yeah. When ISP will start receiving SMTP traffic in IPv6, they could 
> start to accept whitelisted senders only.
> "IPv6 emails == clean"
> Utopian thought?

Are you not receiving SMTP traffic via IPv6 yet?

Received: from ([IPv6:2001:48a8:6880:95::20])

- Kevin

More information about the NANOG mailing list