[wp-trac] [WordPress Trac] #57698: Image not showing in iOS and Mac email clients

[WordPress Trac]

#57698: Image not showing in iOS and Mac email clients
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 Reporter:  ldeschenes    |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Mail          |    Version:  6.1.1
 Severity:  major         |   Keywords:
  Focuses:                |
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 Potentiel conflict between WordPress Core and Apple mail client.

 There has been a problem with iOS ad MAC email clients for the last year
 or so. The problem appeared with a new realease of Apple email client. As
 far has I remember the problem started with the release of iOS 15 (more
 than a year ago) and has not been resolved yet.

 Since that time, when sending email with embedded image using any
 WordPress plugin, the embedded images do not appear anymore in Apple email
 clients. This is ONLY the case for Apple email. It does work fine in ALL
 others email clients (Outlook, Gmail, etc…. even Outlook app on iOS is
 OK). Also it has nothing to do with the way the Privacy settings are set
 on the iPhone.The images were displayed fine before iOS 15 release.

 Just do a research on the support forum for “email image not showing in
 ios mail” and see for yourself. It is all over the place in plugin forums
 (Mailpoet, Mailchip, ec.) It looks like every plugin has the problem, so
 it is not a plugin problem. IT MUST BE A CONFLICT BETWEEN WORDPRESS CORE
 and APPLE MAIL CLIENT.

 Most likely the problem is on Apple side. Many of us have tried contacting
 Apple support to no success.

 Someone in WordPress developper team should be able to reproduce that
 behavior and SORT IT OUT WITH APPLE SUPPORT as who (Apple or WordPress)
 has to make a modification.

 Thanks in advance!

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Ticket URL: <https://core.trac.wordpress.org/ticket/57698>
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