email client popularity [was Webmail is implementation, not Internet architecture (was Re: Change the mailing list protocol, not DMARC.)]

Brian E Carpenter <brian.e.carpenter@gmail.com> Sat, 14 June 2014 20:14 UTC

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Date: Sun, 15 Jun 2014 08:14:38 +1200
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
Organization: University of Auckland
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To: ned+ietf@mauve.mrochek.com
Subject: email client popularity [was Webmail is implementation, not Internet architecture (was Re: Change the mailing list protocol, not DMARC.)]
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Ned,

On 15/06/2014 02:42, ned+ietf@mauve.mrochek.com wrote:
...
> Some data to support this conclusion:
[that webmail is not dominant]
> 
>   http://emailclientmarketshare.com/

Hmm. I was curious about what those numbers really measure.
Judging by http://litmus.com/email-analytics, it seems that
they refer to a sample of emails that (a) contained a specific
HTML snippet and were (b) opened as HTML by the clients and
(c) by implication, had been sent via a mailing list. It seems
very likely to me that the sample consisted of spam. I'm
not sure that the numbers reflect unbiased statistics, unless
you're a spammer. In any case they don't indicate how many
people open email in plain text mode (which I alway do if
possible, precisely to avoid embedded code).

That said, they certainly show that one size doesn't fit all.

Does anyone have statistics of POP3 vs IMAP vs split-UI?

    Brian