> > Sorry. Allow me to rephrase, is there any setting in postfix (main.cf, > > master.cf) whereby we can increase the number of threads, memory usage > > ,etc to allow for higher concurrency? > > 1500 users is not very many. You probably don't need higher than default > concurrency. > > http://www.postfix.org/TUNING_README.html
1500 users is not much? wow, how much users can a xeon dual processor box with a RAID10 array, 8 gigs of ram handle. i would appreciate a rough estimate?