The 12.4 billion shield for your email communications: Why DMARC software is the unsung hero in the war against phishing actors!

The 12.4 billion shield for your email communications: Why DMARC software is the unsung hero in the war against phishing actors!

ByBrad Slavin Reading Time: 5 minutes

Email communications are an integral part of the modern business ecosystem. However, the excessive reliance on emails has made it one of the biggest vulnerabilities, too. We are living in a time where a single phishing attack can ruin the reputation and finances of an entire business.  That’s exactly why simple filtering methods are inadequate…

Why Every Domain Owner Should Maintain A Valid SPF Record

Why Every Domain Owner Should Maintain A Valid SPF Record

ByBrad Slavin Reading Time: 14 minutes

An SPF record (Sender Policy Framework) is a crucial piece of your domain’s DNS settings that defines which mail servers are authorized to send email on behalf of your domain. Every domain owner should understand that an SPF record is more than a simple DNS entry—it’s a cornerstone of effective email authentication and is essential…

How the SPF Record Character Limit Affects Your Email Authentication

How the SPF Record Character Limit Affects Your Email Authentication

ByBrad Slavin Reading Time: 15 minutes

Sender Policy Framework (SPF) is a cornerstone email authentication protocol designed to combat email spoofing and enhance email security. The SPF record is a type of DNS record—specifically a TXT record—that defines which mail servers are authorized to send emails on behalf of a domain. This DNS TXT record contains SPF syntax that specifies the…

Top Ways To Resolve Too Many SPF Lookups Without Breaking Authentication

Top Ways To Resolve Too Many SPF Lookups Without Breaking Authentication

ByBrad Slavin Reading Time: 13 minutes

The Sender Policy Framework (SPF) is a critical email authentication technology designed to detect and prevent email spoofing—an often exploited mechanism by malicious actors to impersonate legitimate senders like victim.com or corporate ESPs such as Microsoft Office 365 or Gmail. By publishing a carefully constructed SPF record in the Domain Name System (DNS), domain owners…

The after-effects of SPF misalignments that you should know about

The after-effects of SPF misalignments that you should know about

ByBrad Slavin Reading Time: 6 minutes

Implementing SPF is basically listing all the addresses and sources that send email on your behalf. But that’s only a surface-level understanding of the protocol. In reality, SPF works on a much deeper level. It lets the receiving server check if the incoming email is really coming from where it claims to. We say this…

Why You Should Setup SPF Record to Protect Your Domain Reputation

Why You Should Setup SPF Record to Protect Your Domain Reputation

ByBrad Slavin Reading Time: 12 minutes

An SPF record, or Sender Policy Framework record, is a critical DNS record designed to prevent email spoofing and improve email authentication. Technically, an SPF record is a type of DNS TXT record published on the Domain Name System (DNS) for a specific domain. This DNS record specifies which mail sources—including IP addresses in IPv4…

Can SPF stop DNS spoofing? Here is what you need to know

Can SPF stop DNS spoofing? Here is what you need to know

ByBrad Slavin Reading Time: 6 minutes

Imagine typing a familiar website address into your browser, only to end up on a malicious page that looks exactly like the original. This scenario results from DNS spoofing, a deceptive technique that manipulates the Domain Name System to misdirect users or intercept communications. It is one of the many ways attackers exploit weaknesses in…

SPF Sendgrid Configuration Guide: Ensure Your Emails Pass Authentication

SPF Sendgrid Configuration Guide: Ensure Your Emails Pass Authentication

ByBrad Slavin Reading Time: 13 minutes

Sender Policy Framework (SPF) is a critical email authentication protocol designed to prevent unauthorized users from sending emails on behalf of your domain. By creating and publishing SPF records in your domain’s DNS settings, you authorize specific mail servers to send email for your domain, safeguarding your digital footprint from email spoofing, phishing, and spam…

What is a TXT SPF record and why is it important?

What is a TXT SPF record and why is it important?

ByBrad Slavin Reading Time: 4 minutes

SPF stands for Sender Policy Framework— an email authentication protocol that allows only the emails sent by authorized people to get delivered to the recipient’s inbox. Deploying SPF, DKIM, and DMARC prevents your organization from email-based phishing, spoofing, and BEC attacks. Now, an SPF record is a TXT (text)  record on which the entire process…

Step-By-Step Guide To Checking SPF Records With Mx Tool SPF

Step-By-Step Guide To Checking SPF Records With Mx Tool SPF

ByBrad Slavin Reading Time: 14 minutes

Sender Policy Framework (SPF) is a critical email authentication protocol designed to prevent email spoofing and enhance email security. An SPF record is a type of Domain Name System (DNS) record published in the DNS servers of your domain name that specifies which IP addresses are authorized senders permitted to send emails on behalf of…