You need to configure your all email accounts with either outlook express or MS outlook or windows live mail.
Please login in to your each e mail account & click on option.
Click on ‘POP access & forwarding”.
Enable POP access by checking the appropriate box.
There you will find a configuration link.
Click on the link to find the configuration process for outlook or any other.
POP3 address, SMTP address, port numbers are crucial. Please note carefully while configuring. The process of configuration is copied here to help you.
1) Open outlook express
2)Go to tools >Accounts. Click to ‘Mail.’ Click to ‘Add’
3)Click to “mail”. Enter display name ( e.g John) & click ‘next’
4) Enter email address : Your yahoo email address
5)Enter In coming mail server(POP3): pop.mail.yahoo.com
6)Enter outgoing mail server(SMTP):smtp.mail.yahoo.com & click next
7)Enter account name : (Your yahoo ID) @ yahoo.com
8)Enter your email password. Click ‘Remember password’
9)Click ‘finish’
10) In the mail window,click on ‘pop.mail.yahoo.com.
11)Click ‘properties”>servers
12)In outgoing mail server,select ‘my server require authentication’.
13) Click ’settings’ > select ‘log on using’
14) Type your yahoo account name & password
15) Click ‘remember password.>ok>apply >ok>close.
16)Click ‘properties’> advanced tab. Check the box ‘my server require secured connection (SSL) . Select port number 465 for POP3 & 995 for SMTP
17) Sign in to your yahoo mail, click on option & on POP access & forwarding. Enable POP access by checking the respective box.
18) Open outlook express, switch on your internet connection & click on “send/receive tab on top.

In addtion to comments by Bish, I think the pop facility for yahoo! is a premium service that you will have to pay for!

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