Please check if the domain of the users that receives all emails is the same as the domain $mydomain in /etc/postfix/main.cf. If this is the case, change $mydomain and run: postfix reload on the shell. You should never enter a
ISPConfig 2 uses ClamAV (http://www.clamav.net) as virus scanner and the E-mail Sanitizer (http://www.impsec.org/email-tools/procmail-security.html) as content filter.
Comment out the option: skip-networking in the file: my.cnf which typically lies in the directory /etc or /etc/mysql. Then restart your MySQL server: service mysql restart or /etc/init.d/mysql restart with the command: netstat -ta you can check if MySQL is