http://blogs.technet.com/usefultechnology/archive/2006/06/07/432892.aspxLike fruit, communication is best when it's fresh. While you can't quite add a 'best before date' to your emails you can set a date after which they will expire (kind of like telling your words how long they have to live). This is handy if, for example,en-GBCommunityServer 2.1 SP1 (Build: 61025.2)