Cpanel servers have a nice little file called antivirus.exim. Most of you probably have never of this magic little gem. It’s a central filter for the exim mail server that lets you setup all kinds of wonderful filters to help stop spam from coming in and going out of your server.
PHP and Apache has a history of not being able to track which users are sending out mail through the PHP mail function from the nobody user causing leaks in formmail scripts and malicious users to spam from your server without you knowing who or where.
057I Message-Id: <E1EoTZ1-0001Xj-39@host2.mydomain.com>
cat /var/log/exim_mainlog |grep E1EoTZ1-0001Xj-39
Demi penghematan bandwidth (baca: koneksi yang lemot), jadi bisa diakalin dengan merubah mirror repos ke mirror local (terdekat). Untuk mengubahnya cukup dengan mengedit :
# vi /etc/yum.repos.d/CentOS-Base.repo
