Benny Pedersen wrote: > On Fri, September 7, 2007 10:46, Xavier Beaudouin wrote: > >>>> How many concurrent smtpd processes do you have on your MX? >>>> >>> Up to 1.5k per MX in peak during bot attacks. >>> >> Hum. Anvil on postfix is a very good idea to avoid too mutch ressources >> utilization. >> > > there needs to be limit on smtpd_policy.* in postfix > > if one session got 10000 recpients, postfix call policyd 10000 times, one pr > recipient > > remember this when limit is problem :-) > > Sure, it's the job of the mail server to divide messages with huge numbers of recipients into reasonable chunks (20 -100 is typical) when it creates the mailer envelope.
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