text: First off, Incredimail works like any other external e-mail program like Outlook Express, for example, in that you need an e-mail service that supports a 3rd party program to send and receive.  You have to configure your POP3 and STMP information along with your authentication.  Services such as Yahoo and Hotmail do not support this feature, therefore Incredimail won't work if you are using it for your Yahoo mail.\n\nIf you are trying to send and receive mail with a regular POP account, contact your e-mail provider and get the correct configuration information (this is usually available on their website).\n\nThe information you are looking for should be something like this...\n\nAccount:\nPassword:\nIncoming mail POP3 settings:\nOutgoing mail SMTP settings:\nMy server requires SMTP authentication: