Businesses can create a sender policy framework (SPF) record on a domain to detect email spoofing and block spam. The SPF record defines authorized mail servers in the domain name system; if the ...

A newly discovered botnet of 13,000 MikroTik devices uses a misconfiguration in domain name server records to bypass email protections and deliver malware by spoofing roughly 20,000 web domains. The ...

A new anti-spam measure currently under development, Sender Policy Framework (SPF), is attracting a lot of attention. Not only is it quick and inexpensive to implement, a recent trial by AOL indicates ...

If you have taken computer security classes at some point you are probably tired of hearing this but it is true: the people who created the early version of the internet never imagined it would be so ...

SPF is an emerging antiforgery standard that aims to prevent worms, viruses and spam from forging arbitrary e-mail addresses as the envelope sender in SMTP. SPF has two parts: domain administrators ...

Sender Policy Framework (SPF) takes aim at the practice of return-path spoofing, a technique employed by worms, viruses and other senders of unwanted mail. SPF consists of two parts. First, domain ...

The Address (A) record associates a domain name or subdomain with an IP address, which is the primary purpose of the DNS system. The @ sign identifies "this domain;" for example, A @ nnn.nnn.nnn.nnn ...

New SaaS platform delivers enterprise-grade DNS monitoring, TLS security auditing, email authentication health checks, ...