On Sun, Nov 7, 2010 at 10:01 AM, Wietse Venema <wie...@porcupine.org> wrote:
> It sounds like you will be sending all mail to the same outbound > proxy, meaning that Postfix has no clue what destinations are up > and what are down, because that is hidden by your outbound proxy > I can support per-node domains, e.g. node-id.mailhost.xyz > The number of messages per client is not the problem. The problem > is having 15% of the daily email volume sitting in the mail queue. > These deliveries are relatively expensive and can end up dominating > the over-all system load. > Relatively expensive even if they're prompted with ETRN for a single node's domain? > To make Postfix's back-off strategy work, you'd actually have to > hack the LMTP client and make it use your proxy's name or IP address, > so that the Postfix scheduler believes it is delivering to the > final destination. > But that's not necessary given per-node domains, I hope?
