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On Wed, Mar 22, 2017 at 12:11 AM, Niall Douglas via Boost
Still, I've never had this problem with the previous infrastructure. Maybe the email clients tend to not send the second email to the From address when there is Reply-To. For example, the std-discussion and std-proposals mailing lists use this scheme:
From: real original sender address To: mailing list address (e.g. "std-discussion@isocpp.org"
) Reply-To: mailing list address (e.g. std-discussion@isocpp.org) No Cc headers.
Can we use this scheme?
That was the previous scheme which caused the DMARC failure because DMARC won't allow this ML to send email From: an address it does not own.
Regarding your problems, I'm on Thunderbird and I'm finding no problem at all with the new ML config. Somebody obviously told Thunderbird about the new munging option for Mailman and it all "just works".
I'm not entirely sure but isn't there a difference between Sender and From? I thought you could still have the original From header somehow.
The real problem seems to me to be gmail having stupid handling.
How so? -- Olaf