Thanks for the bug report,
What version of Kubuntu are you running? Also, what version of KMail are you running?
Cheers,
Ryan
** Changed in: kdepim (Ubuntu)
Assignee: (unassigned) => Ryan Kavanagh
Status: Unconfirmed => Needs Info
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KMail Crash on Sort by Date Received
https://launchpad.net/bugs/67603