/unexcept [\<channel\>] [\<usermask\>] [\<usermask\>] ...
*
Removes an exception for the given usermasks on the given channel.
If no channel is given, the current channel is used.
If no usermask is given, the current exceptions are listed.
The exceptions will be removed 3 at a time. Not all servers support exceptions.
*
/unexcept \*!\*@\*microsoft.com
*
would remove the domain 'microsoft.com' from the list of ban exceptions.
