Best way to access Exchange using PHP?

Question

I\'m writing a CMS application in PHP and one of the requirements is that it must be able to interface with the customer\'s Exchange server. I\'ve written up this functiona

Answer 1

Is your customer using Exchange 2007? If so, I'd have a look at Exchange Web Services. If not, as hairy as it can be, I think WebDAV is your best bet.

Personally I don't like using the Outlook.Application COM object route, as its security prompts ("An application is attempting to access your contacts. Allow this?", etc.) can cause problems on a server. I also think it would be difficult to accomplish your impersonation-like tasks using Outlook, such as sending mail as a given user.