[BlueOnyx:26709] Re: Google

[Taco Scargo]

Hi Colin,

You would need to use DKIM to sign the messages on the relay servers then and add the key to the DNS records of the domains.
Thanks for sharing this information as I had not heard about this yet.

Best regards,

Taco

> On 26 Jan 2024, at 11:36, Colin Jack via Blueonyx <blueonyx at mail.blueonyx.it> wrote:
> 
> We use email relay servers for our customers rather than each sending from their hosting server.
> 
> I have received the following missive:
> 
>> From the 1st February 2024, Yahoo and Google's email platforms will be enforcing a number of authentication requirements from senders, in order for emails to arrive to recipients successfully. Senders to either Yahoo or Google mail recipients will require:
> A valid SPF record
> A valid DKIM record
> A valid DMARC record with the policy set to at least "p=none"
> Any email which does not contain a valid SPF, DKIM and DMARC record will be rejected with a bounce back similar to "421 4.4.2 Connection dropped due to SocketError".
> 
> Whilst SPF and DMARC is not a problem what about DKIM?
> We are using IP to authenticate senders on the relays. 
> 
> Thoughts please.
> 
> Thanks
> 
> Colin
> 
> 
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