> When faced with a destination that imposes tight rate limits you > must pre-configure your MTA to always stay under the limits. Nothing > good happens when the Postfix output rate under load exceeds the > remote limit whether you throttle the queue repeatedly or not.
But many times we just don't know the other side's limits and watching logs every day searching for delivery failures, with all the respect, is very painful. > > The best that one can hope for is for Postfix to dynamically apply > a rate delay that is guaranteed to be slow enough to get under the > limit, and then gradually reduce it. That would be very nice. - Rafael
