Brian Evans - Postfix List schrieb: > Robert Schetterer wrote: >> Hi @ll, >> has anbody experience with >> postfix behind load balancers >> im planning to test >> ha-proxy >> pen >> balance(ng) on ubuntu hardy in a HA-Cluster >> in front of postfix servers >> > > The pro's and con's of load balancing has been discussed many times > here. Search the archives for details. > > A different, and possibly better, way to handle the load of mail is a > simple round-robin DNS or multiple MX records of the same priority. > > A load balance setup can, and probably will, change the TCP source. > This is important in the detection of mynetworks as well as the > requirement for the XFORWARD command. Otherwise, Postifx will not know > the true origination and always log the load balancer as the source. > > A poor load balance setup can possibly allow open relay. > > Brian
Hi Brian, youre right but all the stuff you mentioned should be avoided therfor i had asked for practice experience with LB in running setups -- Best Regards MfG Robert Schetterer Germany/Munich/Bavaria