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I think that would be difficult to calculate accurately. We can collect user-agent statistics from browsers but mail clients don't have an equivalent when readi

I think that would be difficult to calculate accurately. We can collect user-agent statistics from browsers but mail clients don't have an equivalent when reading mail.

volument 7y ago
A rough estimate would satisfy me at least. Seems Litmus has farily broad statistics from 823 million opened emails: https://emailclientmarketshare.com/ https://emailclientmarketshare.com/ (August 2019)
- yyyk 7y ago
  It's probably strongly tilted towards email clients which don't block external images by default, and email clients used by people who are more likely to be targets of a marketing campaign (i.e. richer 1st world people).
- deleted 7y ago
  [deleted]
u801e 7y ago
A number of email clients will add a header line that identifies them to every email that's sent.
- jcranmer 7y ago
  The problem is that you don't care about email clients as distributed by senders, you care about the distribution of recipients. Especially if you're a marketer trying to gauge what kind of HTML you can use in your email. The only people who can really use the headers to identify which email clients are in use are people who maintain very large ISPs. Although, even then, keeping track of the results of the IMAP ID command are probably more useful.