Open your yahoo account, you will see a tab of display name, click here and choose ‘edit my account’.
Here you will view your account setting page, in the portion of Member Information. Examine the recent settings for preferred content. If it is yahoo Asia, then you can skip the step number 7, otherwise click ‘Edit’ in the Member Information section.
On the page of member details you will find an option "Preferred Content" that will be Yahoo US, click on it.
Modify the present selected content settings to Yahoo Asia and then hit the button Finished.
Proceed through the TOS and hit the button ‘I Accept’, keep this thing in your mind that if you reject TOS, you will be unable to carry on further.
Here your preference should be Yahoo Asia, at the top right corner you will find the button finish, click it to save the settings.
In your main mail box page, click on the button Options and select Mail Options.
Hit the button POP & Forwarding, then press the button ‘Set up or edit’ ‘POP & Forwarding’ link.
Now select from provided options ' Web & POP Access ' and then edit them according to your requirements and then click on ' Save ' button.
Now you are done with the settings for the POP3 and SMTP.