On 9/1/2013 7:04 PM, LuKreme wrote: > On 01 Sep 2013, at 15:35 , Noel Jones <njo...@megan.vbhcs.org> wrote: >> If you want your HELO to be consistent regardless of which IP is >> used, use a separate hostname that points to both A records. >> >> mail.example.com A A.A.A.A >> mail.example.com A B.B.B.B > > Won't this cause a problem with the MX records? They will both point at > mail.example.com and one of those IPs will not be available at any given time. >
I was under the impression that MX records can cope with dead destinations. If that's a concern, the OP can use some sort of heartbeat/monitor program that adjusts the MX records automatically. But that seems unnecessary. -- Noel Jones
