https://serverfault.com/questions/13...tput-to-syslog
try these ideas
setting up a 'proper' email server is not just installing postfix. You will need to create a database, install an MTA setup like Dovecot and an email daemon. You will need to shell into mysql to create email accounts in a the database or find a web GUI to do this. Try the idea in that link first.
Try
Code:
$ sudo apt-get install libxml2-utils
$ xmllint
xmllint