In most standart setups Postfix uses amavis (ClamAV) as virus-scanner. On hte 15 of April 2010. ClamAVissues update that made verions lesser then 0.95 incomaptibe with virus database. So, Amavis (ClamAV) can't execute check properly unless updated. It also won’t let any mail through to the mailbox, if it is not checked.
Ubuntu
Everyone knows that using ROOT for day-to-day tasks is not good. There are 2 reasons for it: my might break you system easily by running dangeours command; you also shoudl not leave root account usable so oneone can brutefroce it, as it is much easier and quicker to bruteforce password once loing is known. And in this case loing is ROOT. Hence we sugest you to disable the root account. But before you do that you have to ensure that you will be abe to re-enable it again and also be able to perfom admin tasks.
Once you have you Linux OS ready you need to install Apache web server, PHP and MySQL.
This tutorial explains you how to install these from pre-compiled Debian repository. This is the most hassle free way of install software in Debian like systems. This tutorial works for Ubuntu as well.
We assume that you completed the minimal Debain install as describe and the previous section.
Please, login to the system using the account that you have created during installation process (or with any other account if you have one).
