Kmail leaves sent messages in outbox folder

[Georgi Kourtev]

On сряда, 7 септември 2016 г. 11:57:14 EEST ianseeks wrote:
> On Wednesday, 7 September 2016 12:49:52 BST Georgi Kourtev wrote:
> > On сряда, 7 септември 2016 г. 8:08:10 EEST ianseeks wrote:
> > > On Wednesday, 7 September 2016 09:35:47 BST Georgi Kourtev wrote:
> > > > Hi all,
> > > > 
> > > > I have a terrible glitch in the system where kmail is leaving some of
> > > > the
> > > > messages in the outbox folder instead of moving them to sent or other
> > > > folder I require.
> > > > 
> > > > Any ideas how to make it work as expected? Thanks,
> > > > gk
> > > 
> > > Can you post more information about your system, kmail, e.g. Version
> > > numbers, then someone might be able to help
> > 
> > Sorry, forgot to mention this:
> > 
> > Kubuntu 16.04
> > KDE Plasma version 5.6.5
> > Qt version 5.5.1
> > Kontact version 5.1.3
> > 
> > The account is a POP3.
> > gk
> 
> Not sure if i can help but something to check...
> With the Settings/Configure Kmail/Identities/<select
> identity>/modify/advanced tab, is the Sent Mail folder option set on and
> set to the correct one? Or do you have a filter set that may put the email
> back into the outbox folder.
> Or are you sure that email has been sent and its not got an error message on
> the email if you open it in the outbox?
> 
> Thats the limit of my knowledge...

The settings are correct -- sent mail should go to SENT folder, unless I 
change it to another before sending the message. 

The messages are sent -- I have the notification from Kmail + I cc my private 
account to make 100% sure. So the messages just stay there as unsent...