The Risks of Running a Mail Server
The first step in running a successful email server is determining that you actually need an email server. Unlike more basic services, such as Apache, email is a more intrusive process that enables complete strangers to store information on your computer. In addition, administration of an email server is an ongoing process. Monitoring and detecting problems is a must. Email has been around for more than 20 years, but it's still growing and evolving. Because it is one of the most highly utilized pieces of software on the Internet, it is also one of the most prone to attacks.
Mail server security is unlike basic server security because it occurs on two levels. First, you must protect the physical server software ...
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