A tool that should be in every email designer’s toolbox: Litmus Scope. Sharing email campaigns and code is no longer a difficult task between your team as this tool allows you to instantly capture and forward campaigns using the bookmarklet or app.
In a single click you are able to create previews of campaigns, mobile or desktop and share with your colleagues without the email breaking or having to spend time taking screen shots. Take a look at how the service works here:
This free to use service is available via Gmail in the browser, or as a Mac app. However, Litmus have hinted this will be extended to other mail services in future. Watch this space.