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Date: Wed, 3 Jun 2015 20:07:57 -0700
From: Matthew Hall <mhall@mhcomputing.net>
To: Alexander Duyck <alexander.duyck@gmail.com>
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Subject: Re: [dpdk-dev] Any chance someone could fix the SPF records for
 this mailing list?
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On Wed, Jun 03, 2015 at 07:54:11PM -0700, Alexander Duyck wrote:
> However the ones that are going straight into my spam folder list an IPv6 address that is rated neutral by the SPF:
> Received: from dpdk.org ([2001:4b98:dc0:41:216:3eff:fe72:dd13])
>         by mx.google.com with ESMTP id cy1si1185671wib.89.2015.06.03.04.00.32;
>         Wed, 03 Jun 2015 04:00:37 -0700 (PDT)
> Received-SPF: neutral (google.com: 2001:4b98:dc0:41:216:3eff:fe72:dd13 is neither permitted nor denied by best guess record for domain of dev-bounces@dpdk.org) client-ip=2001:4b98:dc0:41:216:3eff:fe72:dd13;
> Authentication-Results: mx.google.com;
>        spf=neutral (google.com: 2001:4b98:dc0:41:216:3eff:fe72:dd13 is neither permitted nor denied by best guess record for domain of dev-bounces@dpdk.org) smtp.mail=dev-bounces@dpdk.org
> 
> I was just wondering if it would be possible to get the IPv6 address added 
> as a permitted sender for the domain to help reduce the amount of messages 
> that are likely being flagged as spam for myself and likely others.

Hello,

I can confirm your claims. When I enabled IPv6 on my mail server Google began 
dropping or severely graylisting 100% of the mail until the IPv6 subnet was 
added to the SPF record. This needs to get fixed or the IPv6 outbound SMTP has 
to be disabled or Google users will lose tons of mails from the list.

Matthew.