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

[Mat Cantin]

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.
>> 
>> It's becoming a bit of a stab in the dark isn't it?
> 
> Unfortunately, yes.
> But it always is if somebody decides to ignore the standards...
> 
>> Maybe a comparison of
>> an invite from a Gmail account that works might help narrow things 
>> down too.
> 
> Gmail attaches the .ics twice (!). Once with
> 
>   Content-Type: text/calendar; charset=UTF-8; method=REQUEST
> 
> and again with
> 
>   Content-Type: application/ics; name="invite.ics"
>   Content-Disposition: attachment; filename="invite.ics"
> 
> I guess they have their reasons why to duplicate the attachment...
> 
> 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".

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. :-)

--
Mat