Force KMail account offline?

[Timothy Murphy]

Is there any way of forcing a KMail account to be offline?

I have an account at a remote site which I cannot normally access.
Usually this goes offline itself, but sometimes it does not,
and I get an endless stream of error/warning messages.

-- 
Timothy Murphy  
e-mail: gayleard /at/ eircom.net
tel: [phone]
School of Mathematics, Trinity College, Dublin 2, Ireland