[Kolab-devel] Calendar events sent to Outlook client do not work

[Mat Cantin]

On 2013-04-08 0:09, Thomas Brüderli wrote:
> Mat Cantin wrote:
>> On 2013-03-28 10:22, Thomas Brüderli wrote:
>>> Mat Cantin wrote:
>>>> On 2013-03-28 0:38, Thomas Brüderli wrote:
>>>>> Mat Cantin wrote:
>>>>>> I'm testing on Outlook 2003, OWA on Exchange 2003, Outlook 2007,
>>>>>> and
>>>>>> Office 365 webmail.
>>>>>> 
>>>>>> I can provide the emails I'm sending as attachments so you can 
>>>>>> see
>>>>>> the
>>>>>> headers if that helps, let me know.
>>>>> And even more interesting would be a full email source of an iTip
>>>>> invitation that actually works in Outlook. That might help us find
>>>>> the
>>>>> difference.
>>>> Would an invite email generated from an Outlook client work? I've
>>>> attached
>>>> an email from an Oulook to Outlook which works:
>>>> meeting-from-outlook.msg.
>>>> And a message from Kolab with the patches that does not work:
>>>> meeting-from-kolab.msg.
>>> Thanks for that. At first sight, I see an additional header
>>> 
>>>   Content-class: urn:content-classes:calendarmessage
>>> 
>>> Maybe that already does the trick. I'll try to compose a patch for 
>>> you
>>> to test with.
>>> 
>>> [...]
>>> 
>>> Maybe you can verify whether an invitation from Gmail works with
>>> Outlook 2003.
>> 
>> A test invite form Gmail to all the Outlook versions I'm running
>> worked.
>> 
>> I can confirm that the invites work in Outlook 2010, but they don't
>> work in Office 365, Exchange 2010 OWA, Exchange 2007 OWA, Exchange 
>> 2003
>> OWA, Outlook 2007 or Outlook 2003. OWA 2007/2010 and Office 365 
>> actually
>> renames the event.ics file to "not supported calendar message.ics".
> 
> It's great that MS keeps their product generations in sync :-)
>> 
>> Let me know about the patch, I can test against all the Outlook
>> platforms pretty quickly now that I've got my accounts all setup. :-)
> 
> Please find attached a patch that adds the Content-class: header. If
> that doesn't help, we can try the Gmail way and add the ics part with
> Content-Type: application/ics
> 

I applied the patch but this still doesn't seem to work with Outlook 
2007 or OWA 2003. I haven't tested with the other versions yet. I can 
confirm that the Content-Class header shows up in the headers of the 
Outlook message. I think that Gmail's method seem to be the way to go at 
this point.

--
Mat