Il 02/09/2012 11:43, Sam Jones ha scritto: > More to satisfy my own curiosity than anything else, I'm wondering about > the performance that could be squeezed out of Postfix in a bulk mailing > capacity. > > I have a client that currently uses and ESP who have an astounding > throughput of up to a million messages per hour. This brought up a > discussion about high-performance MTAs and tuning and the general > comments I'm hearing are that things like Postfix, Exim, Sendmail & > are just not man enough for such a task and the absolute best you could > expect from any of them is about 100k messages per hour. > > Now, I like to wipe out the fact from fiction because people like > PowerMTA are looking to sell their products and it would be in their > interest to neglect that any MTA (Postfix/Exim/Sendmail) could be set up > in a way that would easily rival their product. > > Can anyone on the list tell me if it's possible to performance tune > Postfix to a point where it could complete with this and possible > strategies? > > Kind thanks > > In my experience, I have never had problems with performances in the past with Postfix. Though I had stability issues, but just because we reached out the limit of opened files (OS tuning). And it was during a spam attack (probably around a milion email per hour during attack).
Hope this helps. Cheers, Dario "subbia" Cavallaro