My yahoo email is not working for last few fays, I can access other services. How can I get tech support.?

When I going to my yahoo id, it gives page not found. I can see the new messages on yahoo main pages but I can not read them. When I try to click, it says page not found.

My yahoo email is not working for last few fays, I can access other services. How can I get tech support.?
Here you go - http://add.yahoo.com/fast/help/us/mail/c...