In message <542c35a7.3050...@rhsoft.net>, "li...@rhsoft.net" <li...@rhsoft.net> wrote:
>Am 01.10.2014 um 19:04 schrieb Ronald F. Guilmette: >> What would happen in such a case? Would inbound e-mail start to >> back up horribly, as Postfix waited for DNS responses that were >> not forthcoming? > >no - no answer is just no answer and mail goes through Yeabut, how sloooooooooly? If each inbound e-mail is gettung jammed up for, say, 1.25 minutes, waiting for DNS responses that will never arrive, this could cause a problem for some clients. >but why have a single point of failure? just use rbldnsd >and rsync it to a second machine It's a long story, but rsync simply would not be possible.
