IronPort has created a web based presentation which carefully explains several of the new features in 5.5.0 for Email. If you would like to see how to set up Safelists and Blocklists for your end users, have questions about the new Content Filter Smart Identifiers or Dictionary Weighting or Domain Keys Identity Management (DKIM) give the webinar a try.

It is on the Email page of the portal:
http://tinyurl.com/2o28uw

let us know what you think.

regards.