Wietse: > At this time, only the Postfix SMTP client knows remote MTA name/IP > address information, not the Postfix scheduler. You can use global > settings such as per-transport process limits or rate delays, or > kernel-based traffic shaping.
Marco Pizzoli: > Thank you very much for your answer. I understand. > Apart from the MX dynamic information, is there a way within Postfix to > specify that specific rate limiting toward that specific hostname/ip > address ? Rate limits are implemented by the scheduler. As mentioned in my earlier reply, the scheduler does not know about MX host names or IP addresses. It's a classical layering problem. Wietse