The post Silent PassiveNeuron Attacks, Jingle Thief Fraud, SessionReaper Adobe Exploit – Cybersecurity News [October 20, 2025] appeared first on DuoCircle.| DuoCircle
The post How does DMARC prevent malware distribution via spoofed emails? appeared first on DuoCircle.| DuoCircle
The post How do DKIM replay attacks happen? appeared first on DuoCircle.| DuoCircle
Email has become an integral part of our everyday lives. Both personal and professional. Yet, the simplicity that makes it vital makes it one of the most vulnerable routes for fraudsters. Email is still a popular attack vector, from phishing and business email compromise to large-scale domain spoofing. So, obviously, safeguarding it involves more than...| DMARC Report
Email security is a critical concern for organizations facing growing threats like phishing, spoofing, and business email compromise. One of the most effective ways to protect your domain and ensure trusted communication is by implementing DMARC — a protocol that verifies email authenticity and prevents unauthorized use of your domain. By leveraging SPF and DKIM,...| DMARC Report
SPF, or Sender Policy Framework, is an integral part of modern-day email security. By implementing SPF, domain owners can easily enlist the authorized mail servers in the DNS. SPF is one of the key pillars of an email security system, backed up by two more crucial protocols, DKIM (DomainKeys Identified Mail) and DMARC (Domain-based Message...| DMARC Report
Hola people! It’s already week 4 of October, and it seems like time is almost flying, literally! But are you prepared enough to combat the fast and sophisticated cyberattacks? With every passing day, the threat actors are honing up their skills- thanks to easy accessibility to AI. Meanwhile, cybersecurity experts are also leveraging AI to...| DMARC Report
In 2025, email deliverability has become even more complex. Big email providers like Gmail and Microsoft have changed the rules for who can reach the inbox. Although DMARC, SPF, and DKIM setups are essential to email deliverability, these three on their own may still not be enough. The foundation of success relies on two essentials:...| DMARC Report
Emails from government or public sector agencies are not just a means of communication or dissemination of important information; they also reinforce trust and authority. Imagine if someone receives a fraudulent email from a seemingly official government address, the trust they place in that institution would be shattered. After all, it is more than just...| DMARC Report
Configuring an SPF (Sender Policy Framework) record for Gmail is one of the most effective ways to protect your domain from email spoofing and phishing attacks. SPF works by verifying which mail servers are authorized to send emails on behalf of your domain, ensuring that malicious actors cannot impersonate your brand or send fraudulent messages...| DMARC Report
Hello people! It feels like time is almost flying as we have entered the third week of October. Before we even realize it, 2025 will be over, and everyone out there will once again start preparing for the new year 2026. But what about cyber preps? 2025 has already been a not-so-good year, given that...| DMARC Report
Email security is more critical than ever in 2025 as phishing, spoofing, and domain impersonation continue to threaten organizations worldwide. DMARC| DMARC Report
Email deliverability plays a vital role in determining whether your messages successfully reach your audience or get trapped in spam filters. One of the most critical factors influencing this is your email IP reputation — a score that reflects how trustworthy your sending IP address appears to internet service providers (ISPs). When your IP reputation...| DMARC Report
As everyone is slowly gearing up for the festive season, it is important to understand that letting your guard down completely can be quite risky. Whether you| DMARC Report
Email spoofing and phishing are still among the biggest causes of data breaches in 2025. That’s why businesses of all sizes are adopting DMARC to protect| DMARC Report
communication while ensuring top-tier data protection. Built on robust Mail Transfer Agent (MTA) technology, it streamlines the entire email delivery| DMARC Report
Supply chains in businesses are usually very complex and have multiple vendors, suppliers, and service providers involved. With so many stakeholders involved,| DMARC Report
Email security is more critical than ever, and DMARC (Domain-based Message Authentication, Reporting & Conformance) has emerged as a key protocol to| DMARC Report
Learn the difference between SPF -all vs ~all policies to see which SPF record ending protects your domain without blocking legitimate emails.| Valimail -
A domain name analyzer is an essential tool for website owners, SEO professionals, and domain investors seeking to optimize their online presence. By| DMARC Report
Laposte.net will send unauthenticated emails to spam or reject them. SPF and/or DKIM must pass and align with the From domain.| EmailKarma
In today's digital age, cybersecurity has become a vital aspect of our everyday lives. For college students, it’s especially crucial. You’re often using email| DMARC Report
Originally published at Why Most Companies Still Fail at DMARC Implementation (And How to Fix It) by EasyDMARC. Think your emails are reaching customers safely? So ... The post Why Most Companies Still Fail at DMARC Implementation (And How to Fix It) appeared first on EasyDMARC.| EasyDMARC
Navigating the internet is like exploring a vast city filled with countless destinations, but what happens when you don't have a map? This is where DNS| DMARC Report
You can have the smartest analysts and the greatest strategy—but if your proxies fail on you, your entire research project can silently fall apart. Missing| DMARC Report
In a digital world where every click counts, understanding the tools behind our online experiences is essential. If you've ever wondered how typing in one web| DMARC Report
Hey folks! It’s week 3, and we hope you have managed to survive the malicious intentions of threat actors around you. You see, only practicing cyber hygiene| DMARC Report
SFP (Small Form-factor Pluggable) is a hot-pluggable network interface module used in the network devices of today’s computer networks. In this lesson, we will focus on what is SFP? Why … The post SFP appeared first on IPCisco.| IPCisco
https://hidekazu-konishi.com/entry/setting_up_dkim_spf_dmarc_amazon_ses_route_53.html Setting up DKIM, SPF, DMARC with Amazon SES and Amazon Route 53 - An Overview of DMARC Parameters and Configuration Examples.| Hidekazu Konishi - Profile / Biography | hidekazu-konishi.com
Build trust in email marketing and avoid deliverability pitfalls. Learn to maintain engagement, prevent spam complaints, and recover email reputation.| emarketingplatform.com
In the rapidly evolving landscape of cybersecurity, email continues to be a primary vector for attacks such as phishing, spoofing, and spamming. Over the past …| Sender Policy Framework (SPF)
Email Authentication Series | Part 2 covers the SPF authentication protocol: why it exists, what it protects & tips to help you troubleshoot & implement| Kickbox Blog
What is lookup in SPF record? Lookups in an SPF (Sender Policy Framework) record refer to the DNS queries performed to validate that an email is sent from an authorized mail server for a given domain. When an email is received, the receiving mail server checks the SPF record of the sender's domain to determine| Progist Knowlegde Base | ProDMARC | ProPHISH -
SPF lets the admin specify what IP addresses are allowed to send emails on a domain’s behalf. Let's discuss SPF -all vs ~all?| EasyDMARC
DMARC is the newest of the authentication protocols. It compares the domain in the From: address to the domains authenticated by SPF and DKIM. If either SPF or DKIM pass and they are in the same or…| Word to the Wise
Protect your domain by identifying and closing the gaps in Sender Policy Framework (SPF) records added to your domain for your email programs.| Kickbox Blog
Explore the essentials of email security with our comprehensive guide on DKIM and SPF. Learn how these authentication protocols protect against phishing, spam, and enhance the trustworthiness of your emails. Prioritize email safety with MarketingPlatform| MarketingPlatform - Dansk Email Marketing Software
Today the mail-auth library was released, which is an e-mail authentication and reporting library written in Rust that supports the DKIM, ARC, SPF and DMARC protocols. It is the Rust equivalent of OpenDKIM, OpenSPF, OpenARC and OpenDMARC combined in one library (as well as some extras such ARF support). mail-auth includes the following features:| stalw.art
The air has gotten noticeably chillier so it must be time to share my favourites from the month of August! It was another hot month so my favourites are quite short and sweet as I didn’t play…| Lipstick on the Lake
The Debian documentation is sparse on how to correctly configure incoming SPF checks in the Debian Exim package. It is sparse in the sense that it tells you what to install (spf-tools-perl) but it is not clear WHERE to put the very important macro. It only says: This is provided via the macro CHECK_RCPT_SPF, set it… Read More »Correctly configuring incoming SPF in Exim on Debian| Jan van den Berg