On 4/30/24 23:02, Joly MacFie wrote:
I have a small mailman one-click install running on a VPS on Dreamhost.

I have struggled to make it DKIM / SPF / DMARC compliant, and I thought I
was winning, but, just now, every single gmail subscriber was removed
(disabled address)

I have it set 'munge from'

What is set to 'munge from'? is it General Options -> from_is_list or Privacy options... -> Sender filters dmarc_moderation_action?

If the former, I don't know what the issue is, but if the latter, it's probably because although gmail publishes a DMARC policy of none, it actually enforces a policy like reject on mail that is From: the gmail.com domain. If your Mailman 2.1 is new enough (>= 2.1.30) add '^.*@gmail\.com$' to dmarc_moderation_addresses to apply 'munge from' to mail From: gmail.com. For older Mailman you have to apply 'munge from' unconditionally by setting General Options -> from_is_list.

--
Mark Sapiro <m...@msapiro.net>        The highway is for gamblers,
San Francisco Bay Area, California    better use your sense - B. Dylan

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