smtpd_delay_reject = no ?
On Wed, Feb 18, 2009 at 3:09 PM, Alexey V Paramonov <pl...@profsolutions.ru> wrote: > Hi, > I'm looking for a good solution to make my postfix server operate faster. > My setup is Postfix + Policyd-weight + fail2ban, but nothing helps under > heavy load, and the problem is not with the server performance (CPU load is > not so high, about 30%), the problem is in the number of > smtp connections to port 25 - it's about 400-600 and "normal" users just > can't get through and connect to the server to send their mail (they get > "server timeout"). > Policyd-weight filteres such connections, but it doesn't drop them - seems > like it holds them open for some time and gives penality for each mail send > attempt, closing them only after N retries. > Is it possible to drop such too fast reconnections from same IPs using > Postfix or maybe iptables? > Or, maybe there is another way? > >
