On 2011-06-12 Wiebe Cazemier wrote: > From: "Reindl Harald" <h.rei...@thelounge.net> >> Am 11.06.2011 16:55, schrieb Wiebe Cazemier: >>> That's not what I meant. I meant that 99% of the time, the primary >>> server will be up and recipient address verification will work to >>> reject (spam) messages to unknown users. Those two scenario's you >>> mentioned are when the primary is down or otherwise deferring. And >>> those cases happen 1% of the time (figure meant to be illustrative). >> >> so you do not need any backup-MX because if your primary is not >> available the edferring happens on the sender >> >> this is teh way smtp works > > Default defer time for most SMTP servers is only 3 to 5 days, that is > not long enough for me.
With all due respect, if you cannot get your primary MX up and running again within three days, you should not be providing professional e-mail services. The correct solution to your problem is not a modification to some backup MX, but fixing your response times. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky
