I'm excited to see the recent postings relating to the System.Net.Mail namespace. If the area of managed networking interests you, please see these blogs kept by my peers on the System.Net team:
http://blogs.msdn.com/wndp - Windows Network Developer Platform team blog
http://blogs.msdn.com/dgorti - System.Net Dev Lead
http://blogs.msdn.com/joncole
http://blogs.msdn.com/malarch
me :) : http://blogs.msdn.com/mflasko