On 1st July I got this email from Microsoft . This is a Very special Award for me.  I really would like to thank Microsoft for this Award.

Dear Krishna R,

Congratulations! We are pleased to present you with the 2010 Microsoft® MVP Award! This award is given to exceptional technical community leaders who actively share their high quality, real world expertise with others. We appreciate your outstanding contributions in PowerShell technical communities during the past year.

http://edge.technet.com/

Mailguard feature would be enabled on Cisco or PIx firewall

The Mailguard feature is intended to help protect weakly secured mail  servers