If you plan to use Postfix Admin to manage your virtual users and domain, or provide webmail access to the email stored on the server you will have to install a web server.
apt-get install mysql-server mysql-client apache2 apache2-mpm-prefork apache2-utils ssl-cert \ libapache2-mod-php5 php5 php5-common php5-curl php5-gd php-pear php5-imagick \ php5-imap php5-mcrypt php5-mysql php5-pspell php5-sqlite php5-xmlrpc php5-xsl php5-intl
This will also install Exim as the MTA. Uninstall it after you finish installing Postfix.
Default configuration of Apache sends server information in the
response headers that we do not want to expose to everybody. To disable
/etc/apache2/conf.d/security with nano and
ServerTokens Full ServerSignature On
ServerTokens Prod ServerSignature Off
All application on my web server use UTF-8 as a default encoding so
I also edit
/etc/apache2/conf.d/charset and uncomment
AddDefaultCharset UTF-8 directive
which adds the UTF-8 as the default charset to the header for all files
that Apache sends to clients.
PHP also provides additional information in the response headers so we can turn off those as well.
expose_php = On to
expose_php = Off and set
date.timezone= Europe/Zagreb (or whatever timezone you
use). The link to a list of available time zones is located in the
Enable mod_rewrite in Apache and restart Apache for the changes to take effe
a2enmod rewrite invoke-rc.d apache2 restart