Well, we can't very well guess the correct server name for you.
Your ISP or mail provider has that information on their website.
Or you can tell us who your mail provider is, and we will look up
the correct settings for you.
It would be helpful if you included the complete error message,
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.