can't send email



I have just set up my email with microsoft mail and I get the following erro
message but I don't know where to find the outgoing server info.
-- The connection to the server has failed. Subject 'Thank you-', Account:
'pop.att.yahoo.com', Server: 'pop.att.yahoo.com', Protocol: SMTP, Port: 25,
Secure(SSL): No, Socket Error: 10060, Error Number: 0x800CCC0E
Sharon i
.