SUMMARY

When viewing some HTML messages (not sure what the criterion is) in plain text mode, a security warning is disabled: 

"Note: This is an HTML message. For security reasons, only the raw HTML code is shown. If you trust the sender of this message then you can activate formatted HTML display for this message by clicking here."

The user should be given an option to disable this warning permanently. 

I believe it should be on by default, but after a while it simply takes up space and is habitually ignored anyway. 

For these specific e-mails, the "toggle HTML" short-cut (default Shift-H) does not seem to work. The only way to view the original message is to click on the hyperlink in the security warning message, which is disruptive to users' keyboard-based workflows. The user should be able to view the original HTML message without needing to click on the link.

 

STEPS TO REPRODUCE
1. Receive HTML-only message
2. Open message (or select to view)

OBSERVED RESULT
Message is converted to plain text and the warning is displayed on top of the message. The "toggle HTML display mode" shortcut does not work. 

EXPECTED RESULT
If the user chooses to ignore the security warning permanently, they should be able to view the converted message without the security warning and toggle the HTML display mode using the  "toggle HTML display mode" keyboard shortcut. 

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: OpenSUSE Tumbleweed
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 5.70
Qt Version: 5.14.1

ADDITIONAL INFORMATION