On Tue, 2006-03-14 at 12:01, Timothy Alberts wrote: > > are you sure there isn't an MX-record/host for the domain in question? > > if it's "msiscales.com" there are two - so in that case, by the time > > the mail reaches your internal mail server it's too late (you're > > dealing with post-acceptance bounces, not bounces on delivery). > > Yes, it is 'msiscales.com'. The second MX record is supposed to be a > backup when our server is down. The mail should be coming to us first, > I think that's reflected by the priority within the DNS MX record. > Which as you say, when our server goes down, all mail goes through our > backup and we get bombarded with the spam and there's nothing I can do > but try and filter it. Under normal circumstances, all mail should come > to the main server in question where I want it to be rejected. These days a lot of spam is sent to the highest valued MX record instead of the preferred one specifically to avoid spam filtering. There is really not a lot of value in having a backup MX because the sending relays will queue for you anyway, but if you do have one you should run the same filtering as your primary system. -- Les Mikesell lesmikesell@xxxxxxxxx
