please i need help i have followed these tutorial http://www.howtoforge.com/perfect-server-ubuntu-12.04-lts-apache2-bind-dovecot-ispconfig-3 and everything working well then my ISP told me to control my concurrent connection in my smtp he said change your concurrent connection per host to be 50 change your concurrent connection per domain to be 5 so please help me in doing it
Please check the default_destination_concurrency_limit smtp_destination_concurrency_limit parameters on http://www.postfix.org/postconf.5.html
