[kmail2] [Bug 434833] New: kmail does not send mails when sender address contains [ ]

[Gerald]

https://bugs.kde.org/show_bug.cgi?id=434833

            Bug ID: 434833
           Summary: kmail does not send mails when sender address
                    contains [ ]
           Product: kmail2
           Version: 5.16.3
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Severity: critical
          Priority: NOR
         Component: commands and actions
          Assignee: kdepim-bugs at kde.org
          Reporter: gerald.drissner at gmail.com
  Target Milestone: ---

SUMMARY


STEPS TO REPRODUCE
1. Sender has the following name and address:
 "Bli, Mel [Novit XYZ]" <Mel.Bli at novit-xyz.com>

2. I answer the email and send it


OBSERVED RESULT

The email is BOT sent and NOT saved on my server. It is simply gone without any
error.

EXPECTED RESULT

The e-mail should be sent. Or Kmail should show an error message.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Linux (x86_64) release 5.11.6-1-default
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION

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