[kdepimlibs] [Bug 327384] New: Contact editing dialogs case fold e-mail adresses toLower

[Johannes Mueller]

https://bugs.kde.org/show_bug.cgi?id=327384

            Bug ID: 327384
           Summary: Contact editing dialogs case fold e-mail adresses
                    toLower
    Classification: Unclassified
           Product: kdepimlibs
           Version: 4.11.2
          Platform: unspecified
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: akonadi
          Assignee: kdepim-bugs at kde.org
          Reporter: johmue at users.sourceforge.net

When editing an e-mail address the e-mail addresses are case folded to lower,
i.e. John.Doe at example.com is transformed to john.doe at example.com.

RFC 2821 (http://www.ietf.org/rfc/rfc2821.txt) says about this:
"The local-part of a mailbox MUST BE treated as case sensitive."

This causes problems for example, when KMail is looking up from-addresses from
emails in the addressbook in order to display the picture of the sender. If the
from-address contains capitals the lookup fails.




Reproducible: Always

Steps to Reproduce:
1. Start KAddressBook
2. Edit or create a contact
3. Add or change an e-mail address so that it contains capital letters
4. Click "O"K
Actual Results:  
The e-mail address is transformed to lower case.

Expected Results:  
Either: The e-mail address should *not* be transformed to lower case but remain
as typed in. 
Or: The local-part of the e-mail address remains as typed in, the domain can be
case folded to lower.

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