Hello. I can assist you with your question.
Who is your email provider. I do see a google link up there, but I don't want to assume.
Once I know that, I can tell you what you have to do.
Assuming you already have POP access configured in your ntlworld.com account, go to Evolution and do the following.
If you still have the ntlworld.com address, then you would use these settings for the account:
Type of information
Settings to enter
Sending mail (SMTP)
SMTP server name
Enabled (or 'Password' on Macs)
Full e-mail address, e.g., firstname.lastname@example.org
Receiving mail (POP3)
POP3 server name
POP3 SPA (Secure Password XXXXX)
In Evolution, the port number is XXXXX with the server, so in this example, the SMTP and POP3 servers would be