Understanding SPF mechanisms: a, mx, ip4, and include
Looking into an SPF record and figuring out what these alien terms are: a, mx, ip4, and include? Guess what, you are not alone. Anyone with no-so-adept technical expertise feels the same at first glance. SPF is undoubtedly one of the powerful tools for combating phishing and spoofing attempts made in your name. However, creating…