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Subject: Re: [boost] [mailing list] No Reply-To in messages?
From: Andrey Semashev (andrey.semashev_at_[hidden])
Date: 2017-03-21 22:55:01

On 03/22/17 01:21, Steven Watanabe via Boost wrote:
> On 03/21/2017 04:05 PM, Andrey Semashev via Boost wrote:
>> On Tue, Mar 21, 2017 at 10:16 PM, Daniel James via Boost
>> <boost_at_[hidden]> wrote:
>>> The problem is that Andrey was cc'd in the email, which arrived before
>>> the email from the mailing list. Both mails have the same message-id,
>>> so gmail discards the second one it receives. This means the mailing
>>> list software doesn't have a chance to change the headers.
>> I see. So the problem appears whenever a person does Reply to All,
>> which sends two messages - to the ML and the original author that is
>> specified in CC? But was the older infrastructure adding CC to the
>> messages from the ML? I think it wasn't. Do we need the CC?
> The From field used to be the sender, but was
> changed to be the list. Without the CC, the
> sender's email won't appear anywhere. Besides
> which, reply all could always cause this issue
> (and I have observed it occasionally in the past).

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_at_[hidden]"
Reply-To: mailing list address (e.g. std-discussion_at_[hidden])

No Cc headers.

Can we use this scheme?

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