Not able to configure yahoo mail in outlook

Hi Friends,

I am not able to configure yahoo in outlook.
When i try to to "send-recieve all" it throws the error like this.

"
Task 'pop.mail.yahoo.com - Receiving' reported error (0x80040900) :
'The server name you entered can not be found on the network (it might
be down temporarily). Please verify that you are online and that the
server name is correct.'
"

Whether i followed all the steps mentioned as below.

How to Add a New E-mail Account to Your Existing Profile in Outlook
98(IMO)
1. On the Tools menu, click Accounts, click Add, and then click Mail.
2. Type your name in the box, and then click Next.
3. In the Email Address box, type your Yahoo! Mail e-mail address (for
example, "), and then click Next.
4. In the Incoming mail (POP3) box, type: pop.mail.yahoo.com.
5. In the Outgoing mail (SMTP) box, type: smtp.mail.yahoo.com, and then
click Next.
6. In the Account Name box, type your Yahoo! Mail name (your address
without the ").
7. Click the Server tab, and type your Yahoo! Mail password in the
Password box.

NOTE: Do not click to select the Log On Using Secure Password
Authentication (SPA) check box.
8. Choose the appropriate connection type, under the Which Method Do
You Use to Connect to the Internet heading, and then click Finish.
How to Control the Deletion of Messages from the Yahoo! Mail Server
1. On the Tools menu, click Accounts, and then click the Mail Services
tab.
2. Select your Yahoo! Mail account, and then click Properties.
3. Click the Advanced tab, and then click to select the Leave a copy of
messages on server check box.

If you want your messages deleted from the Yahoo! Mail server once you
have received them in Outlook, do not check this box.
Can anybody help me pls where i am wrong.

- Puneet