On 2012-08-07 tobi wrote: > Am 07.08.2012 20:04, schrieb Stan Hoeppner: >> The first thing you need to do is define for us what "protect >> backup-mx servers" means. What, exactly, do you want to protect >> them from? > > Sorry if my intention was only clear to myself ;-) > I want to prevent clients from connecting my backup-mx as long as the > main-mx is up and running. Like spammers sometimes try by connecting > directly to a backup-mx instead trying main-mx first.
Why do you consider this a problem? Your backup MX should neither accept nor allow anything the primary MX wouldn't. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky