Last week a webinar was organized on Introduction to the Email Services! The webinar looked at:

:: How to create email services to integrate email with Force.com
:: How to build a receiving email service
:: How to send emails and track them
:: Email security and Visualforce email templates

The webinar was recorded, and it is available together with a set of resources:

:: View the recorded webinar @ http://wiki.developerforce.com/index.php/Tech_Talk_Series:_Introduction_to_the_Email_Services_on_Force.com

:: Check out the webinar FAQ @ http://wiki.developerforce.com/index.php/Tech_Talk:_Introduction_to_the_Email_Services_on_Force.com_FAQ