How to transfer kmail2 messages to Thunderbird?

[O. Sinclair]

On 30/12/2012 19:00, Paul wrote:
> Hi all,
> I am fed up with kmail taking so long to do things and hogging the
> system.  I thought I would try Thunderbird, I installed it and set up
> accounts but I can not find my old mail which I need.
> Where is kmail2 mail stored and can it be exported?
> How can Thunderbird import the old messages?
> Is Thunderbird a good choice or would another program be more suitable
> as a kmail replacement?
>
> Why is everything so complicated, after all I just want to receive pop2
> email and save the history.
>
> Please help a frustrated user.
> Thanks
> Paul
there is now Trojita that is officially KDE, however IMAP and not POP 
based as I understand:
http://trojita.flaska.net/