> Proxies are only needed for very large mail plants, where the message > rate is too high for any one machine to handle, and you also need > GeoIP DNS load-balancing, front-end proxies per datacentre, ... > > For those of us not working for Google, much simpler approaches > are more robust (easier to manage). > > Ok.
Topic starter said: > On a typical dedicated server (Intel Xeon E5, 128G ram) how many messages (ball park) can postfix juggle at once or per min? >From my point of view it is more than enough to install just a "frontend" postfix and terminate TLS there (and also implement SASL for clients) Client---<SMTPS>--FrontEndPostfix---<SMTP>--BackEndServerN Implementing HAProxy and several backends each having its own certificate is like solving a XY problem IMHO. What do I miss?
