Adds or removes hostmasks used to identify users on servers that don't employ services.
The current AdminPlugin.
Whether to add or to remove the hostmask.
Account the hostmask will equate to. May be empty if add is false.
String "nickname!ident@address.tld" hostmask.
Instigating IRCEvent.
Adds or removes hostmasks used to identify users on servers that don't employ services.