DKIM is a technique in which an organization can take responsibility for a message sent by e-mail. In fact, DKIM originated from 2 separate techniques: DomainKeys of Yahoo! and Internet Identified Mail from Cisco. DKIM is a base for authentication and not anti-spam technology, but it is often used to prevent spam. Read More
DNS is a protocol that makes the translation of a domain name to a ipaddress on the Internet. This website has, for example, as IPAddress: 195.211.73.41 but that is difficult to remember, so remember people: www.wat-betekent.nl. DNS is a distributed database that contains host and domain names and their associated IP addresses. DNS eliminates the need to maintain a list of IP addresses on each computer. Read More