$wgEnableSorbs = true;
$wgSorbsUrl = 'opm.tornevall.org.';

# http://www.mediawiki.org/wiki/Manual:User_rights
# This example will disable editing of all pages, then re-enable for users with confirmed e-mail addresses only:
# Disable for everyone.
$wgGroupPermissions['*']['edit']              = false;
# Disable for users, too: by default 'user' is allowed to edit, even if '*' is not.
$wgGroupPermissions['user']['edit']           = false;
# Make it so users with confirmed e-mail addresses are in the group.
$wgAutopromote['emailconfirmed'] = APCOND_EMAILCONFIRMED;
# Hide group from user list. 
$wgImplicitGroups[] = 'emailconfirmed';
# Finally, set it to true for the desired group.
$wgGroupPermissions['emailconfirmed']['edit'] = true;