Roderick A. Anderson wrote (on Mon, Jan 26, 2009 at 11:22:35AM -0800): > Not too clear from the subject and probably a lame idea. > > Situation: We have a system (MX1) that is having hardware problems. > Currently they are irritations but we want to rebuild the system before > it really crashes. There are actually two systems so there is back up > (MX2) in case there is a failure. > > We created another system (MX3) and added it to the DNS records with a > priority the same as MX2 and gave MX1 a really low priority hoping to > slowly reduce traffic to it. > > It is going too slowly! So I was thinking instead of just shutting it > down it would be nice to the tell the connecting systems to go to the > other system then refuse to accept the mail. After a day or so shout it > down. > > Is this possible? If so what is it called? (I'm completely at loss here > for terms to search with.) > > > Thanks, > Rod > --
It's really ok to just shut down MX1. Really. According to the RFCs, the clients (servers?) should just go to the others. But, if you don't like that scenario, next best is to have your firewall/router/PIX/whatever translate MX1's address, so that connections to that box *really* go to MX[2|3]. That's what I would do. -- _________________________________________ Nachman Yaakov Ziskind, FSPA, LLM aw...@ziskind.us Attorney and Counselor-at-Law http://ziskind.us Economic Group Pension Services http://egps.com Actuaries and Employee Benefit Consultants