Actually, as far as the show-pop-before-smtp discussion, here is what tech support wrote me about my problem. Apparently, this can be done fro the server side of things.
>From charter correspondence: charter.net servers may be configured to allow "POP-before-SMTP" trick (when the IP address of your workstation is "blessed" for SMTP relaying after a successful POP3 session to that server) - but you should discuss that with Charter admins. Cheryl -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]