On 2 Apr 2020, at 2:55, Tessa Plum wrote:

Hello

We can send email from any domain within gmail, setup it via gmail's smtp relay in web interface.

My question is, won't this break something like SPF/DKIM for those external domains?

Yes, but you should be able to fix SPF by including the GMail SPF record. That assumes that you haver control over the domain's SPF TXT record.

DKIM is more complex. I don't believe GMail offers any solution, but there should be something that paying GSuite customers can do, and presumably that can be found through GSuite support channels.


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Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Not For Hire (currently)

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