Understanding SPF: What Is Sender Policy Framework? The Sender Policy Framework (SPF) is a critical email authentication protocol designed to prevent email spoofing and protect against phishing attacks. Introduced to address the pervasive issue of forged senders and unauthorized mail transfer agents (MTAs), SPF enables the receiving email server to verify whether a particular email…
Understanding SPF Records and Their Importance The Sender Policy Framework (SPF) is an essential component of modern email authentication protocols designed to enhance email security and prevent email spoofing. SPF operates by specifying which IP addresses or hostnames are authorized to send emails on behalf of a domain, employing a DNS TXT record within the…
Once you create an SPF record and publish it on your domain’s DNS, your job is not done. SPF requires constant adjustment, especially if multiple employees and vendors send emails on your behalf. Moreover, there are a few restrictions imposed on SPF usage. If you don’t stay on top of them, your email authentication can…
Understanding the Basics of SPF (Sender Policy Framework) The Sender Policy Framework (SPF) is a crucial email authentication protocol designed to protect domains from email spoofing and enhance email security. At its core, SPF allows domain owners to specify which mail servers are authorized to send emails on behalf of their domain by publishing a…
A Sender Policy Framework (SPF) record is a specific type of DNS record designed to enhance email authentication by defining which mail servers are authorized to send email on behalf of a domain. Published as a TXT record in the domain name system (DNS), the SPF record communicates to receiving mail servers the valid IP…
As a law firm, you handle some of the most sensitive information in existence. Your files contain client secrets, financial details, and legal strategies. Losing this information is not just a business risk but an ethical breach. Perhaps, for this reason, the American Bar Association’s Rule 1.6 states a lawyer must not reveal client information….
VEC (Vendor Email Compromise) attacks are increasing at an alarming rate. In fact, the manufacturing sector alone climbed 24% year-over-year between September 2023 and September 2024. In today’s situation, emails are being exploited as both a weapon and a gateway. Companies usually trust their vendors as they have been in business for years, and often…
Email has become a central tool for communication in academic institutions. Faculty, staff, and students rely on it for everything from exchanging grades to sharing important academic updates. However, during busy academic seasons – such as registration periods, exam weeks, or the start of a new semester – the risks associated with email security are…
What is an SPF Record and Why It Matters An SPF record, defined within the DNS TXT record of a domain, is a critical component in email authentication designed to prevent email spoofing. The Sender Policy Framework (SPF) allows domain owners to specify which mail exchange servers are authorized to send emails on their behalf….
Understanding SPF Records: What They Are and How They Work The Sender Policy Framework (SPF) is a critical component of email authentication designed to combat fraudulent email practices such as email spoofing. At its core, an SPF record is a DNS TXT record published in a domain’s DNS zone file that specifies which mail servers…
