i delete my mail from my yahoomail.so i can configure my yahoomail to outlook.my all mails will comes from yahoo server.

For yahoo mail you need upgrade to yahoo mail plus to get
the full pop3 service for access to.
* Outlook
* Microsoft Outlook Express.
* Microsoft Outlook Express for Macintosh.
* IncrediMail build 618 and higher.
* Mozilla Thunderbird.
* And Others.
Click this link for yahoo mail pop3 settings
http://help.yahoo.com/l/us/yahoo/mail/classic/mailplus/pop/pop-08.html
http://help.yahoo.com/l/us/yahoo/mail/yahoomail/mailplus/pop/pop-14.html
Any problems go to this link.
http://help.yahoo.com/l/us/yahoo/mail/classic/mailplus/pop/pop-14.htmlhttp://help.yahoo.com/l/us/yahoo/mail/yahoomail/mailplus/pop/pop-28.html Or you can try free ypops but it may no longer work with yahoo since yahoo changed there settings and pop3 address.
http://ypopsemail.com/