6 Best practices for maintaining an SPF record

6 Best practices for maintaining an SPF record

Threat actors seek ways to impersonate credible companies and their representatives to send phishing emails on their behalf. This way, the targeted recipients are more likely to open and interact with potentially fraudulent emails. However, if companies implement the SPF protocol for their domains and adhere to best practices, they can assist receiving servers in…

How to fix “550; 5.7.15 Access Denied” rejections?

How to fix “550; 5.7.15 Access Denied” rejections?

Microsoft has always prioritized email security, and in pursuit of this goal, it mandated that all bulk senders properly authenticate their messages. This means that anyone sending over 5,000 emails daily to Outlook, Hotmail, and other Microsoft consumer mailboxes must have properly configured SPF, DKIM, and DMARC records in place. If a bulk sender fails…

DMARC and anti-spam aren’t the same!

DMARC and anti-spam aren’t the same!

With around 3.4 billion spam emails sent daily, securing inboxes has become more challenging than ever. They not only clutter your inboxes and keep the servers busy, but also pose as major security threats to any organization. These seemingly harmless spam emails can lead to malware scams, phishing attacks, or even CEO fraud. It is…

What happens if your SPF record is broken?

What happens if your SPF record is broken?

Sender Policy Framework (SPF) is the foundation of your email security setup, and if SPF is not configured properly, all your efforts to protect your outgoing emails will fall apart.  An SPF record is one of the most crucial aspects of SPF configuration; it basically includes a list of all the servers and services that…

Optimizing Email Deliverability: Strategies for Success

Optimizing Email Deliverability: Strategies for Success

Your carefully crafted marketing campaign just launched, complete with compelling subject lines and perfectly timed send schedules. Yet three days later, your open rates are disappointingly low, and customer responses are practically nonexistent. The culprit? Your emails are likely sitting in spam folders instead of reaching their intended inboxes. Email deliverability remains one of the…

3 points to consider before setting your SPF record to -all (HardFail)

3 points to consider before setting your SPF record to -all (HardFail)

Email security is on everyone’s radar—companies are closing every gap for threat actors to come in and exploit their email sending sources. Using SPF’s ‘-all’ mechanism is one of the strongest defense measures that domain owners and CISOs advocate to block email phishing attempts made on their behalf.  While this hard defense layer ensures that…

Understanding the relevance of Sender Policy Framework (SPF) in 2025

Understanding the relevance of Sender Policy Framework (SPF) in 2025

Sender Policy Framework (SPF) is an email authentication protocol designed to prevent email spoofing — a common tactic in spam and phishing attacks. In today’s threat landscape, SPF plays a crucial role in cybersecurity by allowing receiving mail servers to verify whether an email claiming to come from your domain is actually authorized. By implementing…

Kitterman SPF Check: A Comprehensive Guide to Performance Analysis

Kitterman SPF Check: A Comprehensive Guide to Performance Analysis

In the digital landscape, email is still one of the primary ways we communicate, whether for business proposals or casual chats. But did you know that many emails never reach their intended recipients due to something as simple as a misconfigured SPF (Sender Policy Framework) record? Think of SPF records like a guest list for…

KnowBe4 SPF Record: How to Set Up for Maximum Email Security

KnowBe4 SPF Record: How to Set Up for Maximum Email Security

In an age where email remains a primary communication tool for businesses, the dangers lurking in our inboxes are more real than ever. Phishing attacks can morph into serious threats that not only compromise sensitive information but also erode trust between colleagues and clients. That’s where setting up a Sender Policy Framework (SPF) record comes…

BEC and FTF scams are leading to a steep rise in cyber insurance claims!

BEC and FTF scams are leading to a steep rise in cyber insurance claims!

As per the recent Coalition 2025 Cyber Claims Report, business email compromise-based attacks (BEC) and fund transfer frauds (FTF) have led to a steep surge in the number of cyber insurance claims in 2024. Businesses around the world have been facing sophisticated BEC and FTF attacks that are affecting them financially, operationally, as well as…