For almost all major businesses today, email is the primary means of communication. It is through email that these organizations exchange even the most critical and sensitive information, like bank details, invoices, personal information, and more. This makes for the perfect bait and lures cybercriminals into exploiting the inherent trust that users place in emails. …
Understanding SPF Records: What Are They and Why They Matter An SPF record, short for Sender Policy Framework record, is a specific type of DNS TXT record published on a domain’s DNS management system. This SPF record defines which mail transfer agents (MTAs) are authorized to send emails on behalf of that domain. By establishing…
Every year, cybersecurity enthusiasts celebrate October as the month of awareness. It is the time when we remind ourselves that digital safety is not limited to just installing antivirus software or using a strong password. Rather, online safety is about cyber education—the knowledge of how to detect a potential threat attack, stop it, and report…
Email authentication is crucial for protecting your domain from spoofing and ensuring messages land safely in recipients’ inboxes. SPF (Sender Policy Framework) records play a central role in this process, specifying which mail servers are authorized to send emails on your behalf. However, incorrectly combining multiple SPF records can trigger the dreaded “Too Many DNS…
Companies across the globe are embracing digital transformation, which means that everything from their businesses to operations and communication now happens online. Speaking of online communication, email has certainly made things easier and seamless, but it has also opened doors for a new wave of cyber threats like email spoofing. In such attacks, cybercriminals forge…
What is SPF and Why It Matters for Email Security The sender policy framework (SPF) is a cornerstone of modern email authentication protocols that protect organizations from the rampant threats of email spoofing and email phishing protection. SPF works by validating the IP addresses authorized to send emails on behalf of a domain, thus thwarting…
Understanding SPF: What is Sender Policy Framework? The Sender Policy Framework (SPF) is a critical component of modern email security and email authentication strategies. At its core, SPF is a protocol designed to prevent email spoofing, a malicious tactic where attackers forge email headers to make messages appear as if they originate from a legitimate…
Understanding SPF: A Primer on Sender Policy Framework The Sender Policy Framework (SPF) serves as a cornerstone technology in email authentication and protection against email spoofing, a prevalent technique in email fraud and phishing attacks. At its core, SPF is a DNS-based email authentication method that enables domain owners to specify authorized mail servers permitted…
When an email arrives at the receiver’s end, their server checks the SPF record to see if the sending address’s IP matches one of the authorized sources published in the domain’s DNS. If the IPs match, the email is seen as legitimate, but if it does not, the receiving server refers to the mechanisms in…
Understanding DNS: The Foundation of Domain Name System The Domain Name System (DNS) is a critical component of the internet’s infrastructure, functioning as a hierarchical and decentralized naming system that translates human-readable domain names into IP addresses recognizable by computers. DNS enables users to access websites and services without memorizing numerical IP addresses. The DNS…
