On 05/17/2016 02:37 PM, Bob Goodwin wrote:
When I click on "Check" it says it is checking the mail at "POP3: mail.wildblue.net" but then produces "ERR Invalid Command"
That sounds like Balsa is sending a command that your pop server isn't understanding. Try using wireshark to see what it is. Although if you're using pop3s (which you should), it will be a little more difficult.