I can receive emails but for the last 24hrs I have been unable to send emails. When it asks if I would like to post emails in my outbox and I press yes a message comes up asfollows

An unknown error has occured

subject of email severer llysawel

windows Live Mail error ID 800CC0B

Protocol SMTP

Port25

Secure(SSL)no

I have tried closing down the computor but to no avail