Hi , do i have to change any of these values during ispconfig installation. my ip is 192.168.1.200 do i have to add my domain name (ex server1.example.com)? do i have to enter my network 192.168.1.0/255.255.255.0 in the last line? postconf -e 'smtpd_sasl_local_domain =' postconf -e 'smtpd_sasl_auth_enable = yes' postconf -e 'smtpd_sasl_security_options = noanonymous' postconf -e 'broken_sasl_auth_clients = yes' postconf -e 'smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination' postconf -e 'inet_interfaces = all' postconf -e 'mynetworks = 127.0.0.0/8' i want to send and receive mails from internet(yahoo.com) and also lan. pls let me know.