Re: error_limits fine tuning

2014-06-26 Thread Wietse Venema
Martin Vegter: > Hello, > I am wondering why the default error limits in Postfix are set so high: > > smtpd_soft_error_limit (default: 10) > smtpd_hard_error_limit (default: 20) Because SMTP is a multi-recipient protocol. If the limit is set too low then mailing lists will be grossly dela

RE: error_limits fine tuning

2014-06-26 Thread Marius Gologan
I run this combination (postfix & iptables): smtpd_soft_error_limit = ${stress?1}${stress:3} smtpd_hard_error_limit = ${stress?1}${stress:5} smtpd_delay_reject = ${stress?no}${stress:yes} smtpd_client_connection_count_limit = ${stress?3}${stress:6} smtpd_client_connection_rate_limit = ${stress?30}

Re: error_limits fine tuning

2014-06-26 Thread li...@rhsoft.net
Am 26.06.2014 10:25, schrieb Martin Vegter: > And speaking of "relay access denied", what is the recommended way to > fight "relay access denied" attacks? what do you want to fight? the client got rejected, you won, period if you don't want to see that messages you need to get an open relay :-)