Re: Ximian Connector under GPL

Helge Hess <[email protected]>
Newsgroups gmane.comp.cms.opengroupware.discuss.general
Message-ID <[email protected]>
On May 31, 2004, at 8:27, Dan wrote:
>  > Yes, but the Exchange Connector also works with OGo ZideStore! Only 
> the
>> 1.4 release introduced some changes which broke the ZideStore support 
>> (1.2 worked just fine).
>
> is meaning of previous sentence close to:
> Ximian Exchange connector is a connector Exchange,
> Outlook is a client for Exchange -> Outlook can be used as client for 
> Zidestore (??)

Hm, no?

Ximian Exchange connector is a connector Exchange, ZideStore implements 
required parts of the Exchange protocol -> Evolution can be used as a 
client for ZideStore.
BUT, since ZideStore only implements a subset of the Exchange protocol, 
and 1.4 uses a slightly different one than 1.2, it currently doesn't 
work for Connector 1.4 and needs (probably small) adjustments in the 
implemented subset.

Outlook uses a completely different (a proprietary, binary) protocol to 
talk with Exchange -> the specific Outlook/Exchange combination has 
nothing to do with OGo nor with Exchange connector.

Some of the relevant ASCII art (doesn't cover Evo though):

Exchange:
/---------\     /-------------\                  /----------\
| Outlook | <-> | ExConnector | <-> Net MAPI <-> | Exchange |
\---------/     \-------------/                  \----------/

OGo/SKYRiX:
/---------\     /----------\                     /------------\
| Outlook | <-> | ZideLook | <------> WebDAV <-> | OGo/SKYRiX |
\---------/     \----------/                     \------------/

Exchange:					OpenGroupware.org/SKYRiX
/--------------------\		/--------------\
|      Outlook       |		|   Outlook    |		Client
|--------------------|      |--------------|
|----\ MAPI API /----|		|-\ MAPI API /-|		API
|--------------------|      |--------------|
| Exchange Connector |		|   ZideLook   |		Connector
|--------------------|      |--------------|
|--\ Network MAPI /--|		|--\ WebDAV /--|		Network Transport
|--------------------|      |--------------|
|  Exchange Server   |		|  ZideStore   |		Server
\--------------------/		\--------------/

Greets,
   Helge
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