> >   mail = CyOSendMimeMailSmtp.new()
> >   mail.server  = "localhost"  # localhost is also default
>      ^^^^^^^^^^^^^^^^^^^^
> And this is what I am still struggling with. Any ideas are highly welcome.

Just put the name of the smtp server you normally use to send mail. I guess
it should be 'mail.everestkc.net', or something like that.