[kmail2] [Bug 325516] New: Flooded by "Login failed" popups on imap access not allowed

[carlo.tognetti at europe.com]

https://bugs.kde.org/show_bug.cgi?id=325516

            Bug ID: 325516
           Summary: Flooded by "Login failed" popups on imap access not
                    allowed
    Classification: Unclassified
           Product: kmail2
           Version: 4.10.5
          Platform: Kubuntu Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: critical
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: carlo.tognetti at europe.com

My ISP, let's say <ISPa>,  gives me an e-mail <account at ISPa>
I can access this account via IMAP only when connected via an ADSL access
provided by <ISPa>.
When I connect to internet via other ISP, the imap service to <account at ISPa> is
non available.
This is by contract with <ISPa>.
I've set up kmail to use IMAP to get mail sent to <account at ISPa>.

Whenever I connect to internet via other ISP provider, I'm flooded by multiple
pop-ups/second saying:
  "Il server dell'account «Libero.it Carlo Imap» ha rifiutato il nome utente e
la password forniti. Vuoi modificare le impostazioni, riprovare nuovamente ad
accedere, o non fare nulla?
    Login failed, server replied: A000002 NO IMAP4 access not allowed "
At this point I can just disconnect the PC from the network to have kmail to
stop generating popus in a few seconds.

To be connected to intenet without being flooded by popus and without stopping
Akonady, I just have to setup kontact to work off-line and then I can reconnect
the PC to the network. 
I already tried to setup the IMAP account to not start checking e-mails at
startup, and also disabled the option to auto check e-mails.
But:
1-every time I access the configuration for this IMAP account, if I'm connected
I start to be flooded by the aforementioned popus
2- the settings have no effect, even if I restart Akonadi and kontact

So: when connected via other ISPs, I can't use kontact (kmail) to check any of
my account's emails because kmail has to be setup to work offline if I don't
want to be flooded by popus.

The work-around is to change the TCP port of the IMAP server before connecting
from other ISPs, and then change it back when I connect from <ISPa>.

Reproducible: Always

Steps to Reproduce:
1. Connect to internet form ISP different from <ISPa>
2. start-up kontact (kmail) or simply akonadi 
Actual Results:  
Flooded by the aforementioned pop-us.

Expected Results:  
Not open further pop-ups if one is still open.
The pop-up should give the option to suspend checking <account at IPSa> so no
further popus are shown.

If the user doesn't realize that he can stop pop-us by physically disconnecting
the network connection, the computer becomes unusable due to the amount of
resources taken by the popups and the user need to reset the system, loosing
unsaved data.

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