Re: incoming smtp from v6 addresses

[Mike Tancsa <mike () sentex net>]

On 1/4/2012 5:10 AM, Randy Bush wrote:
> for incoming mail that is *accepted*, i.e. not stuff like
>     2012-01-04 00:37:28 REJECT because 118.39.80.118 listed in rbl-plus.mail-abuse.org
>     2012-01-04 00:37:28 H=(nexo.es) [118.39.80.118] F=<pedrom () nexo es> rejected RCPT <owner-radiusext () ops ietf 
> org>: blocked because 118.39.80.118 is in  blacklist at rbl-plus.mail-abuse.org: Mail from 118.39.80.118 blocked 
> using Trend Micro Email Reputation database. Please see <http://www.mail-abuse.com/cgi-bin/lookup?118.39.80.118>
>     2012-01-04 00:37:28 no host name found for IP address 118.39.80.118
>     2012-01-04 00:37:29 REJECT 118.39.80.118 too many bad recip
>     2012-01-04 00:37:29 REJECT because 118.39.80.118 listed in rbl-plus.mail-abuse.org
>
> 7.8% is over ipv6 transport
>
> but only 2% of outgoing deliveries are over ipv6.

For accepted mail today,

2% is v6 for outbound,
4% for v6 is inbound.

I suspect the higher inbound values might be due to tech mailling lists
which tend to come from IPv6 enabled hosts ?

        ---Mike


-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike () sentex net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/