https://bugs.kde.org/show_bug.cgi?id=448340
Bug ID: 448340
Summary: Contents of mime parts wrapped inside
multipart/related are not shown
Product: kmail2
Version: 5.14.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: message list
Assignee: kdepim-b...@kde.org
Reporter: isj-bugzi...@i1.dk
Target Milestone: ---
SUMMARY
Attached images in emails from applemail don't always show up - neither as
inline images nor as attachments. The example email structure below is also
initially shown as plain text. When toggling folder->message default format ->
"prefer html to plaint text" to plain text and then back, the attached image
and html payload is shown.
STEPS TO REPRODUCE
1. Receive email from applemail with attached image.
2. Navigate to that email.
OBSERVED RESULT
The text/plain option is shown regardless of the preference for HTML. The
attachment is not shown nor indicated.
Navigating to another email and back again resets to the view to just showing
the text/plain part (and no attachment).
The attachment is not indicated in the message list with a paper clip either.
EXPECTED RESULT
text/html potion should be shown. Attached image should be shown inline or as
attachment.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: OpenSuse 15.2
(available in About System)
KDE Plasma Version: 5.18.6
KDE Frameworks Version: 5.71.0
Qt Version: 5.12.7
ADDITIONAL INFORMATION
I think the tricky bit is that the text/html portion is wrapped in a
multipart/related section
Example message structure in apple-email:
Content-Type: multipart/alternative;
boundary="Apple-Mail=_94C83921-FCDD-4332-8B84-399EFA3F5914"
Mime-Version: 1.0 (Mac OS X Mail 15.0 \(3693.40.0.1.81\))
--Apple-Mail=_94C83921-FCDD-4332-8B84-399EFA3F5914
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
charset=utf-8
--Apple-Mail=_94C83921-FCDD-4332-8B84-399EFA3F5914
Content-Type: multipart/related;
type="text/html";
boundary="Apple-Mail=_B39D790E-FEC1-4CB1-B569-0E6E803B8B60"
--Apple-Mail=_B39D790E-FEC1-4CB1-B569-0E6E803B8B60
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
charset=utf-8
--Apple-Mail=_B39D790E-FEC1-4CB1-B569-0E6E803B8B60
Content-Transfer-Encoding: base64
Content-Disposition: inline;
filename="Screen Shot 2022-01-12 at 12.34.46 PM.png"
Content-Type: image/png;
name="Screen Shot 2022-01-12 at 12.34.46 PM.png"
Content-Id: <25DB95B9-09D0-45A2-91DD-998FE82401FB>
--Apple-Mail=_B39D790E-FEC1-4CB1-B569-0E6E803B8B60--
--Apple-Mail=_94C83921-FCDD-4332-8B84-399EFA3F5914--
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