Eudora will not let you set any port other than 25 for outgoing SMTP.
Hopefully these will be fixed soon. I just guessed at the configuration for my wife's Mac running Eudora, and set the outgoing mailserver to mail.whiteoaks.com:587 and it worked fine.
Best regards, Mojo -- Morris Jones Monrovia, CA http://www.whiteoaks.com Old Town Astronomers: http://www.otastro.org
