On Mon, Mar 03, 2014 at 01:11:47AM +0100, Jeroen Geilman wrote: > This too is possible, but again, will probably not have the effect > you are after. > > Backup (=lower-priority) MX records tend to act as spam magnets, > thus actually /increasing/ the traffic to those hosts.
Note: the OP may not care much about how spam traffic is distributed, provided legitimate mail preferrentially hits the right server... -- Viktor.