If an email contains more than one CC header, only the first one is viewed.

Reproducible: Always

Steps to Reproduce:
Open the following mail:

From userFrom@server.org Mon Nov 23 15:23:30 2015
Return-Path: <userFrom@server.org>
From: From User <userFrom@server.org>
To: To User <userTo@server.org>
Subject: The subject
CC: First User <user1@server.org>
CC: Second User <user2@server.org>
CC: Third User <user3@server.org>
Date: Mon, 23 Nov 2015 16:23:30 +0100
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 8bit

Mail body.



Actual Results:  
Only First User <user1@server.org> is viewed in CC.

Expected Results:  
First User <user1@server.org>, Second User <user2@server.org>, Third User <user3@server.org> shall be viewed in CC.

Console output of “kmail --version”:
kmail2 5.0.3

Console output of “kmail” after opening the mail via “File/Open…”:
log_kmail: url : QUrl("")
couldn't create slave: "Unable to create io-slave:\nklauncher said: Unknown protocol 'kfiledialog'.\n"
KSambaShare: Could not find smb.conf!
"/subscriber/kmail2_4944_mWQqPp"
connectToServer "/tmp/akonadi-toni.fYWxag/akonadiserver.socket"
"/subscriber/kmail2_4944_29JLH1"
connectToServer "/tmp/akonadi-toni.fYWxag/akonadiserver.socket"
"/subscriber/kmail2_4944_AaX2gW"
connectToServer "/tmp/akonadi-toni.fYWxag/akonadiserver.socket"
"/subscriber/kmail2_4944_LOQYy1"
connectToServer "/tmp/akonadi-toni.fYWxag/akonadiserver.socket"
this does not work on a KActionCollection containing actions!
org.kde.akonadi.ETM: GEN true false true
org.kde.akonadi.ETM: collection: QVector()
org.kde.akonadi.ETM: GEN true false true
org.kde.akonadi.ETM: collection: QVector()
org.kde.akonadi.ETM: GEN true false true
org.kde.akonadi.ETM: collection: QVector()
Connected to "Akonadi" , using protocol version 51
Server says: "Not Really IMAP server"
Connected to "Akonadi" , using protocol version 51
Server says: "Not Really IMAP server"
Connected to "Akonadi" , using protocol version 51
Server says: "Not Really IMAP server"
Connected to "Akonadi" , using protocol version 51
Server says: "Not Really IMAP server"
log_messageviewer: Node UNprocessed:  0x24434a0
log_messageviewer: Node UNprocessed:  0x24434a0
log_messageviewer: ========================================
 "<div class=\"noquote\"><div dir=\"ltr\">Mail body.</div><br/></div>" 
======================================

log_messageviewer: SET NODE:  0x24434a0 true
log_messageviewer: Node processed:  "" "Content-Type: text/plain; charset=\"utf-8\""
log_messageviewer: 

  KMMsgEncryptionState: 78
log_messageviewer: 

  KMMsgSignatureState: 78
org.kde.akonadi.ETM: Subtree:  89 QSet(89, 90, 96)
org.kde.akonadi.ETM: Subtree:  129 QSet(129, 131, 130, 134)
org.kde.akonadi.ETM: Subtree:  12 QSet(12)
org.kde.akonadi.ETM: Subtree:  1 QSet(136, 135, 1)
org.kde.akonadi.ETM: Fetch job took  121 msec
org.kde.akonadi.ETM: was collection fetch job: collections: 11
org.kde.akonadi.ETM: first fetched collection: "Search"
org.kde.akonadi.ETM: Subtree:  119 QSet(119)
org.kde.akonadi.ETM: Subtree:  89 QSet(101, 100, 89, 90, 94, 99)
org.kde.akonadi.ETM: Subtree:  129 QSet(129, 131, 130, 134)
org.kde.akonadi.ETM: Subtree:  12 QSet(12)
org.kde.akonadi.ETM: Subtree:  1 QSet(136, 135, 1)
org.kde.akonadi.ETM: Fetch job took  126 msec
org.kde.akonadi.ETM: was collection fetch job: collections: 15
org.kde.akonadi.ETM: first fetched collection: "Search"
org.kde.akonadi.ETM: Subtree:  125 QSet(125)
org.kde.akonadi.ETM: Subtree:  14 QSet(14)
org.kde.akonadi.ETM: Fetch job took  126 msec
org.kde.akonadi.ETM: was collection fetch job: collections: 2
org.kde.akonadi.ETM: first fetched collection: "Notes"