I just set up 2 email accounts and cannot receive mail in them.  An error message keeps popping up.  See example below.  How can I fix this?

Unable to send or receive messages for the Twcny.rr (LMA) account. The e-mail server returned an error.

Server Error: 0x800CCC90
Server Response: * OK IMAP4 server (InterMail vM.8.04.01.13 201-2343-100-167-20131028) ready Wed, 7 May 2014 16:10:34 +0000 (UTC)
Server: 'mail.twc.com'
Windows Live Mail Error ID: 0x800CCC90
Protocol: POP3
Port: 143
Secure(SSL): No