Mark:
Gmail will handle it as Gmail handles it. If the mail domain is Google even if it's custom-domain-example.com and it points to Google Workspace and Google Mail stuff, it'll bounce on the same rules unfortunately. I know this from working with Google Workspace domains myself with lists, it's a pain and they want a lot more stringent controls now.
Thomas
-----Original Message----- From: Mark Sapiro <mark@msapiro.net> Sent: Tuesday, October 24, 2023 1:21 PM To: mailman-users@mailman3.org Subject: [MM3-users] Re: 120 gmail users removed from lists !
On 10/24/23 10:04 AM, Andrew Hodgson wrote:
Speaking of the new additions in Mailman 3.3.9, does anyone have a list of the domains Google are using which we can add to the list so we can disable the unconditional DMARC mitigations for all list posts? Its probably somewhere obvious on a Gitlab issue or similar, but haven't found it yet.
The only domains you need to consider are those of your list members, probably only gmail.com, and maybe googlemail.com.
I'm not sure how gmail would treat mail From: user@some.other.domain where the MX for some.other.domain is a google server, but that could be potentially any domain.
-- Mark Sapiro <mark@msapiro.net> The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan
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