On Fri, Apr 01, 2011 at 01:39:41PM -0400, Wietse Venema wrote: > Victor Duchovni: > > > Many tanks for your time and help > > > > You probably can't do much with my advice, when the receiving system > > is fubared, your options are limited. > > You'll have to use a combination of > > /etc/postfix/main.cf: > slow_destination_rate_delay=x (this forces concurrency == 1) > slow_destination_recipient_limit=y > > /etc/postfix/master.cf: > slow unix - - n - - smtp > -o smtp_connection_cache_on_demand=no > > that stays within the stated limits (which of course may not bear > any relationship to reality, but that is a different matter). > > And these clowns will have to get used to abnormal email delays. > I hope this isn't my tax money at work.
Of course, if their policy is that they only accept a trickle of mail from sites that are not their important business partners, the correct place to make adjustments is in their white-list. If their systems support a whitelist, the OP should find a way to get whitelisted. -- Viktor.