ClamAV Milter
CentOS 7 – still discovering it. ClamAV & ClamAV Milter related things have changed a bit.
Dedicated Mail Server Hosting Multiple Domains – Step 6 – Webmail
Roundcube Webmail is a mature and nice enough web email interface. The installation process is pretty simple: you need to download the package, unpack it, copy it to the web folder, create a database, import the database schema and configure the app. Create the database and the user: mysql-p create…
Dedicated Mail Server Hosting Multiple Domains – Step 5 – AntiSPAM
One of biggest problems nowadays is the SPAM or Bulk mails. Added to the initial Postfix’s configuration of RBL’s you can add some further blockers for SPAM that gets thru. Greylisting One of the things you need to know about spammers is that they send tons of spam. They send…
Dedicated Mail Server Hosting Multiple Domains – Step 4 – Further Configurations
Firewall CentOS 7 now uses FirewallD, which is not bad, but I don’t think it’s mature enough. So to just disable it and get back to the classic iptables service there are some steps: systemctl stop firewalld systemctl disable firewalld yum -y install iptables-services systemctl enable iptables systemctl restart iptables…
Dedicated Mail Server Hosting Multiple Domains – Step 3 – Postfix and Dovecot
On a typical Linux mail server mail is stored on the disk either using one big file in /var/mai/%user either in one Maildir in users’s home folder. This Maildir usually contains one small file for each mail stored on your server and some indexing information etc. In this setup, because…
Dedicated Mail Server Hosting Multiple Domains – Step 2 – Database and Web Administration Interface Setup
This mail server will use Postfix as a MTA, Dovecot as an LDA, IMAP/POP Server, and MariaDB(MySQL) to store user login information. It will also use PostfixAdmin web interface to manage domain, users and mail administrators information. HTTPD To run the web administration interface and the Webmail we need to…
Dedicated Mail Server Hosting Multiple Domains – Step 1 – Distro Install and Prepare
First thing is to chose the Distro. For this install I chose CentOS 7, basically a RHEL clone, version 7 is the latest one. Download You can download the minimal install ISO from here. Then you need to burn this ISO on a CD or on a memory stick in…
Hosting a Virtual Machine With a Public IP (proxy_arp)
I run this website on a physical server that i rent. Recently I wanted to run on the same server a virtual machine, with a different OS, with a public IP address(I use KVM for that, as there’s nothing to really change on the physical server’s OS and performance-wise it’s…
follow the logs
Well, on a high-traffic mail server we need to follow the server log, to look for possible issues. The “tail -f” method might just not be as good as we would want, text is going up too fast and web just can’t read that fast. A solution to that is…
Per site custom CSS
Let’s say you’re on a news website for instance bbc.co.uk, that you read a lot, but each time you look on the website you can’t tell if you already visited that portion of the website or not. Let’s say you still have a chance, there’s a Firefox and Chrome add-on…