Hello there suekeith01 We have read your message. We try to help you. You do mean thunderbird? Usage with talk talk? https://support.mozilla.org/en-US/kb/cannot-receive-messages https://support.mozilla.org/en-US/kb/manual-account-configuration Recommended is to check the settings in : Account settings check for server settings. See if the server settings is set to leave the message on the server. And automatically download message are filled in correctly as on the picture. Do not delete your account and reinstall. Greetings Firefox volunteer.