[kmail2] [Bug 329157] New: A specific password make Kmail ignore the pop funktion without error message

[stakanov at freenet.de]

https://bugs.kde.org/show_bug.cgi?id=329157

            Bug ID: 329157
           Summary: A specific password make Kmail ignore the pop funktion
                    without error message
    Classification: Unclassified
           Product: kmail2
           Version: 4.11.3
          Platform: openSUSE RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: commands and actions
          Assignee: kdepim-bugs at kde.org
          Reporter: stakanov at freenet.de

This is unexpected, somehow funny,  but if you find out what it is...let me
know, I am curious.
Open a mail account with www.web.de
Give it any username you like and set the following password (no worry, I
changed it of course):
h}~G§k{XD§kW}(!M
This password is accepted for a working web.de login. Try it out, log in and
out. You will see, it works without any major problem. Set now Kmail for web.de
with a pop account (pop3.web.de, 110 StartTLS, no pipelining / with pipelining,
no difference). Put in that particular password. Use kwallet (I use two
separate wallets, advanced settings). 
You will get that the first time it says that it asks because the last attempt
was not successful. Then it will purportedly check, and say nothing. No
warning, just the usual check in midst of the other accounts. But you mail will
stay there. Nothing will be downloaded. 
I checked this by removing and readding the same password, by creating a new
account in kmail with the same settings. All these fail. But if I change the
password to a more "usual" one with less security, then Kmail does check
immediately the mail and downloads them correctly. Hope someone who is keen to
have save passwords in web.de does not receive important mail withe deadlines. 

Reproducible: Always

Steps to Reproduce:
1. open an account in www.web.de
2. set password with special web.de symbol set:    h}~G§k{XD§kW}(!M
3. check that the account via browser words well and set it up for web.de pop
retrival. 

Actual Results:  
Pop mail will not be downloaded, error message will not appear. The program
will silently fail and you will see this only when important messages do not
arrive. 

Expected Results:  
Well, a mail program in Pop should possibly download the mail you receive on
your PC and if fails should give a consistent error message about not being
able to do so. 

kwallet set with advanced (two separate wallets).
pipelining or not has been checked does not influence the bug. 
opensuse 13.1 (bottle) 64 bit, Versione della piattaforma 4.11.3

Interface set to Italian, Spam filter spamassasin (from repos). 
Not all mail providers allow for that set of symbols. Web.de does explicitly.
Password was generated with Kpassgen and using a custom symbol set from web.de
(as indicated from the provider). Changing to a "standard" password-set solves
the problem but that takes of a competitive advantage of a more complex
password.

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