Since mid-January I have received the following message when I try to access my emails.  Can anybody help please?

Unable to send or receive messages for the Eircom (************) account. Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a long period of inactivity.

Server: 'webmail.eircom.net'

Windows Live Mail Error ID: 0x800CCC0F

Protocol: POP3

Port: 110

Secure(SSL): No