Mike Ryan wrote:
> Before I begin, I would like to check if this feature is actually
> desirable to the dev team?

I think this should be implemented as plugin.

> I would appreciate comments/suggestions on this approach. Also, I am not
> quite sure of the best way to clear out the expired entries from the
> banned_ips table. Is there some internal RC mechanism for performing
> tasks (in this case, issuing a SQL query to delete old entries) at
> specified intervals?

rcube_session::register_gc_handler()