Ah okay...
here it is:
Messages(2512) deny file-read-data /Users/xxxxxxxxx/Library/Mail/V2/MailData/Accounts.plist
Process: Messages [2512]
Path: /Applications/Messages.app/Contents/MacOS/Messages
Load Address: 0x1054a3000
Identifier: com.apple.iChat
Version: 4226 (8.0)
Build Info: 3-iChat~4226000000000000
Code Type: x86_64 (Native)
Parent Process: launchd [160]
Date/Time: 2014-08-06 22:02:11.530 +0200
OS Version: Mac OS X 10.9.3 (13D65)
Report Version: 8
Thread 0:
0 libsystem_kernel.dylib 0x00007fff8dd105da __open + 10
1 Foundation 0x00007fff8555fbb7 -[NSData(NSData) initWithContentsOfFile:] + 91
2 Foundation 0x00007fff8555f742 +[NSDictionary(NSDictionary) newWithContentsOf:immutable:] + 102
3 Mail 0x00007fff8be33f26 -[MFAccountStorage objectForKey:] + 166
4 Mail 0x00007fff8be34242 -[MFAccountStorage arrayForKey:] + 19
5 Mail 0x00007fff8be2be67 +[MFAccount readAccountsUsingStorageKey:forceReadFromMail:] + 113
6 Mail 0x00007fff8be61b58 +[MFDeliveryAccount accountWithIdentifier:] + 227
7 Mail 0x000000010b416466
8 Mail 0x000000010b415c06
9 Foundation 0x00007fff855b013e __NSThreadPerformPerform + 229
10 CoreFoundation 0x00007fff87023661 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17
11 CoreFoundation 0x00007fff87014d12 __CFRunLoopDoSources0 + 242
12 CoreFoundation 0x00007fff8701449f __CFRunLoopRun + 831
13 CoreFoundation 0x00007fff87013f25 CFRunLoopRunSpecific + 309
14 HIToolbox 0x00007fff845c5a0d RunCurrentEventLoopInMode + 226
15 HIToolbox 0x00007fff845c57b7 ReceiveNextEventCommon + 479
16 HIToolbox 0x00007fff845c55bc _BlockUntilNextEventMatchingListInModeWithFilter + 65
17 AppKit 0x00007fff873f826e _DPSNextEvent + 1434
18 AppKit 0x00007fff873f78bb -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 122
19 AppKit 0x00007fff873eb9bc -[NSApplication run] + 553
20 AppKit 0x00007fff873d67a3 NSApplicationMain + 940
21 libdyld.dylib 0x00007fff83f565fd start + 1
Binary Images:
0x10b410000 - 0x10b41aff7 com.apple.mail.iaplugin (7.3 - 1878.2) <5acbb7f4-51a6-3c16-8614-34295d7d5e64> /System/Library/InternetAccounts/Mail.iaplugin/Contents/MacOS/Mail
0x7fff83f53000 - 0x7fff83f56ff7 libdyld.dylib (239.4) <7c9ec3b7-dde3-33ff-953f-4067c743951d> /usr/lib/system/libdyld.dylib
0x7fff84597000 - 0x7fff84841ff5 com.apple.HIToolbox (2.1.1) <a388e773-ae7b-3fd1-8662-a98e6e24ea16> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/HIToolbox.fra mework/Versions/A/HIToolbox
0x7fff8554d000 - 0x7fff8584bfff com.apple.Foundation (6.9 - 1056.13) <2ee9ab07-3ea0-37d3-b407-4a520f2cb497> /System/Library/Frameworks/Foundation.framework/Versions/C/Foundation
0x7fff86fa4000 - 0x7fff87189fff com.apple.CoreFoundation (6.9 - 855.16) <a63e680e-e4b2-368b-8564-9dbe0d8ddb91> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x7fff873d4000 - 0x7fff87f4aff7 com.apple.AppKit (6.9 - 1265.20) <d2a7af23-0fea-3d7d-9cf5-b4e262224577> /System/Library/Frameworks/AppKit.framework/Versions/C/AppKit
0x7fff8be28000 - 0x7fff8c03efff com.apple.Mail.framework (7.3 - 1878.2) <38820b41-d68b-3fdf-92f0-a5fa0f91a620> /System/Library/PrivateFrameworks/Mail.framework/Versions/A/Mail
0x7fff8dcfb000 - 0x7fff8dd17ff7 libsystem_kernel.dylib (2422.100.13) <498aebd7-4194-3cf2-aa16-d5d03ffbd8c0> /usr/lib/system/libsystem_kernel.dylib