We have installed office share point 2007 32 bit on 2003 server. I have 2 issues to be fixed one is AD integration and second email alerts. I am using google apps for my company email. I want to integrate Active directory single sign on for sharepoint.My active directory domain is mycompany.local but my email domain is mycompany.com How can I integrate gmail server for outgoing and incoming emails on share point. I have already installed smtp virtual server in IIS.