Sendmail is the mail transport agent used most widely across theInternet. Netizen's systems consultants can help you install andconfigure sendmail, including anti-relaying and other security measures.
Most organisations use web proxies to save on Internet bandwidth costs,and Squid is the most popular proxy around. Used by individuals andbackbone ISPs alike, Squid caches web pages that pass through it inorder to provide them more quickly to the next person who needs them.Netizen's systems consultants are experienced in Squid configuration forsites of all sizes.
Without DNS (Domain Name System) servers, the Internet would be almostimpossible to navigate. DNS converts IP numbers into human-readabledomain names, and back again. Netizen's system consultants have manyyears' experience in DNS administration and domain name issues.
A firewall can help protect your company's confidential data from theInternet at large. Netizen have experience in configuring firewallsbased on Linux and BSD systems for organisations of all sizes.