On Thu, Oct 8, 2009 at 9:00 PM, Miguel Di Ciurcio Filho <mig...@ic.unicamp.br> wrote: > > Another suggestion: rise the default postscreen_greet_wait from 4 to 10 > seconds, or even 15 or 20. I've been using smtpd_error_sleep_time=30s > and so far I had no problems for years and it is very effective keeping > dictionary floods away. >
The sleep time grows cpu time consume and established connections. Enforce no sleep time and a very low hard limit (to drop connection) has better performace. > With a setup like this I believe greylisting is not that relevant any more. > > Great work. > > Miguel > > > -- Reinaldo de Carvalho http://korreio.sf.net http://python-cyrus.sf.net "Don't try to adapt the software to the way you work, but rather yourself to the way the software works" (myself)
