On 03/16/2015 06:01 PM, Steve Holdoway wrote:
> On Mon, 2015-03-16 at 14:50 -0700, Laura Atkins wrote:
>> On Mar 16, 2015, at 2:21 PM, Steve Holdoway <st...@greengecko.co.nz> wrote:
>>
>>> Folks,
>>>
>>> Not sure if this is appropriate but it's driving me insane. Have set up
>>> a smarthost for a local domain. It adds a valid DKIM header and DKIM,
>>> SPF and DMARC DNS records are all there ( and are given a pass in the
>>> mail headers added by google ). PTR records exist and are valid ( IPv4
>>> and IPv6 ). Mail is being delivered by IPv6.
>>>
>>> But it's still being delivered to the spam folder at gmail.
>>>
>>> I've tried
>>>
>>> - basic text content
>>> - text + html content
>>> - text + pdf attachment
>>> - text + html + pdf attachment
>>>
>>> All are marked as spam because
>>>
>>> 'Why is this message in Spam? It's similar to messages that have been
>>> detected by our spam filters'
>>>
>>> Do any of you have any idea what else I can do? I'm at my wits end!
>> What's the content look like? What's the domain? What's the outgoing IP 
>> address? Do you share that outgoing IP with anyone? What happens if you send 
>> over IPv4?
>>
>> laura
>>
> Content is variable as described above. 
> Domain is abcs.co.nz
> IP address: 120.138.30.233 / 2403:7000:8000:700::34
> No it is not shared
> It seems to be delivered as ham over IPv4 ( yipee! but why? )
>
Make sure your mailer is set to use the right ipv6 address as a source;
my v6 servers have a few addresses, and without explicit configuration,
they'd invariably pick the wrong one when sending mail.  That gave me
the same symptom you're seeing with google.

also: Your spf record is "v=spf1 a mx ip4:120.138.27.178 ~all", which
doesn't look like it ought to be helping for v6.

-Dave





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