Tag: SPF

How does RBL, known as the Real-time Blackhole List work?

March 31, 2024 By Martin Off

What is an RBL, and How Does it Function? Realtime Blackhole List (RBL) is a common term used in the context of email and internet security. It functions as a DNS-based list of IP addresses known to be spam sources. When an email administrator queries…

What Is a Sender Policy Framework (SPF) Record?

December 6, 2022 By Martin Off

An SPF Record (Sender Policy Framework) is a DNS record that identifies which mail servers are allowed to send emails on behalf of a domain name. It helps to ensure that the sender’s email server is authentic and not being used for phishing scams or…

What is DMARC, and how it works?

November 24, 2022 By Martin Off

What is DMARC, and how it works? DMARC is an email authentication protocol that helps protect against email spoofing. It works by verifying that the sender of an email is who they say they are and then provides instructions on what to do if the…

What is email spoofing? How do you stop email spoofing?

November 22, 2022 By Martin Off

What is email spoofing? What is email spoofing? Email spoofing is an email fraud in which the sender’s address is forged to make it appear as though the email came from a different source. This is often done with malicious intent to trick the recipient…