On 2015-02-28 3:15 AM, R.Smith wrote:
> On 2015-02-28 05:02 AM, Darren Duncan wrote:
>> I'm seeing a lot of message duplication too, but the ones I see are due to
>> someone putting the list address twice as a recipient.
>>
>> For example a bunch of the "PhD student" messages say "To"
>> sqlite-users at mailinglists.sqlite.org plus "Cc" sqlite-users at sqlite.org 
>> .
>>
>> But both of those are aliases for the same list.
>>
>> Whoever is doing this, sending your messages to both, please stop, just send
>> to one, and then people would get one copy.
>
> I don't think it is someone specific, I've seen these from many people - I 
> think
> it has to do with the way the reply-to field is interpreted and/or the way 
> mail
> clients interpret it when you hit the "Reply" or "Reply-to-List" buttons.  I'm
> using an up-to-date Mozilla Thunderbird client which seems to avoid the issue
> (unless I am not seeing my own duplicates).
>
> I find it hard to imagine that suddenly many list users changed the way they
> respond to forum emails. The culprit is more likely a change in some 
> underlying
> system set-up.

My comment on "whoever" is meant to be plural.

I think as a general principle that whenever people reply to list messages, 
they 
look at the headers of the message they are writing and make sure the list 
doesn't appear twice in the recipients field.

If the result of hitting reply or reply-all to some message in a client puts 
the 
same recipient in the address bar twice, then the users should remove the extra 
copies, that's what I do, it can be simple as that.

-- Darren Duncan

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