Updating server list
Caution: To avoid trouble with your sytem, only add repositories that are trustworthy and that are known to work on Ubuntu systems! Servers contain a status attribute that indicates the current server state.
Here is an example of storing your key: The first line above assumes that your public key is named "id_rsa.pub", and is located in the ".ssh" folder inside your home directory.
It seemed to be a problem with my network connection.
Additional software repositories such as Universe and Multiverse can be enabled by uncommenting the corresponding apt lines (i.e. For Universe, uncomment those lines: There are some reasons for which you might want to add non-Ubuntu repositories to your list of software sources.
So type in the password for your email account again, if you're getting an error, and see if that helps. Then simply click back to the main settings windows.
It could be that your password is typed in wrong in this particular area, or did not get saved to this part of the email set up.
that there are a number of updates on the server however I do not see a way to tell which will be updated.