text: how to respond to craigslist posting? to send a response i have to know what type e-mail server i have, both for incoming and outgoing e-mail. how do i find out that information? your internet service provider can tell you this--only needed if you use a third party application for email like outlook or eudora, or, you can just copy the email address, and use web email such as hotmail/yahoo mail/gmail and paste that address in your "to:" field