<blockquote> i need to log out and log back onto my email account </blockquote> You can do that if you use webmail. <blockquote> so that my new internet setup configures my email settings. </blockquote> I have no idea what you're talking about. To set up your email account in Thunderbird see https://support.mozilla.org/kb/automatic-account-configuration <blockquote> Right now I cant send emails. </blockquote> https://support.mozilla.org/kb/cannot-send-messages <blockquote> I can not figure out how to log out or can I even do that? </blockquote> Not with Thunderbird.