> > BTW, the RBLs are good not only for rejection, but eg. to > > disable PIPELINING for suspicious hosts too... > > I've never used external blacklists (because I don't trust other > people to make my spam decisions for me), but that would be a harmless > use for them.
Another not too harmful use of some black and white RBLs is for decision to greylist (for 3 min) or not. For decision to disable pipelining on incoming connections I use (I'm not sure whether it works): pipelining_advertise_hosts = ${if eq{$sender_host_name}{$sender_helo_name}\ {*}{+whitelisted_hosts}} If you haven't a static local white list then {*}{}} -- ## subscription configuration (requires account): ## https://lists.exim.org/mailman3/postorius/lists/exim-users.lists.exim.org/ ## unsubscribe (doesn't require an account): ## exim-users-unsubscr...@lists.exim.org ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/