On Sat, Dec 19, 2009 at 10:40 AM, John Peach <post...@johnpeach.com> wrote:
> On Sat, 19 Dec 2009 04:40:02 -0400 > D G Teed <donald.t...@gmail.com> wrote: > > [snip] > > > > > Due to the hardwired default of 450, all sent mail becomes sluggish > > on the Exchange queue as hundreds of messages are retried > > every few minutes (one mistyped domain in a mail list triggers this > > behaviour in MS Exchange). > > Fix the problem, then. > > Hint - the problem is exchange, not postfix. > I'm not the exchange admin and I know little about it. I don't know if it retries every 5 minutes or 30 minutes. It doesn't matter. What matters is that email is massively slowed down for delivery out of exchange. I think I heard someone say the messages actually double in the Exchange queue, but that could be momentary. If we could cause the message to be rejected and bounced back to the sender at the Postfix end, it would resolve the problem. Usually Postfix has lots of flexibility in handling different scenarios but I guess not this time. --Donald
