The most common cause for his error message is your antivirus.
Windows Mail is not compatible with most McAfee or Norton
security programs. Those will need to be uninstalled.
Replace with a more compatible antivirus like the free Avast:
http://www.avast.com/eng/avast_4_home.html
Gary VanderMolen
"Craig Miller" <craigm81@verzon.net> wrote in message news:CCF69D3B-0620-49BA-9817-6083AC2EDF62@microsoft.com...
> Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems, or a
> long period of inactivity. Subject 'Fw: must show chuck', Account: 'incoming.yahoo.verizon.net', Server:
> 'outgoing.yahoo.verizon.net', Protocol: SMTP, Port: 25, Secure(SSL): No, Error Number: 0x800CCC0F