problem about subscribe linux-kernel

[kmaillists]

hi   guys!

i want to subscribe linux-kernel from majordomo at vger.kernel.org,i tried to use this account and a hotmail account to do that.
This account recevied nothing and the hotmial account received the answer: 
Hello [40.92.255.58], for your MAIL FROM address <nickzjm at hotmail.com> policy analysis reported: Your address is not liked source for email 

i had send the email with text model,not html model.Anybody know what's the problem?
thanks for your time!