The post Jaguar Land Rover cyberattack: How a lack of cybersecurity systems led to catastrophe! appeared first on DuoCircle.| DuoCircle
Cold outreach has always been a tightrope walk. On the other hand, businesses and recruiters are seeking to connect with new prospects and initiate conversations. On the other, sending too many emails to the wrong people at the wrong time can harm the sender’s reputation, kill deliverability, and even have a domain blacklisted. It’s also […] The post Verified Lists + Sequenced Outreach for Safer Sending appeared first on DuoCircle.| DuoCircle
The post Why SPF, DKIM, and DMARC are becoming mandatory in sectors like aviation and energy appeared first on DuoCircle.| DuoCircle
Invoice fraud doesn’t start with a Hollywood-grade hack. It starts with a believable message, a familiar vendor name, and a PDF that looks routine. Attackers know accounts payable runs on documents, so they hide social engineering and malware inside “invoice” attachments to reroute payments or plant a foothold. This guide lays out a practical, technical […] The post Phishing Protection: Secure PDF Invoice Handling appeared first on DuoCircle.| DuoCircle
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 indulge in online shopping or book that much-awaited vacation, make sure you stay vigilant enough to steer clear of any cyberattack. This week, we will start our bulletin...| 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 their domains from being used in fraudulent emails. But implementing DMARC is only half the job; choosing the right DMARC monitoring and management tool is what ensures your protection...| DMARC Report
communication while ensuring top-tier data protection. Built on robust Mail Transfer Agent (MTA) technology, it streamlines the entire email delivery process—managing the secure transfer, routing, and authentication of messages across servers. Whether used for corporate correspondence, client communication, or enterprise workflows, it provides the foundation for efficient, secure, and uninterrupted email exchanges. Beyond delivering messages...| DMARC Report
Supply chains in businesses are usually very complex and have multiple vendors, suppliers, and service providers involved. With so many stakeholders involved, it is natural that most communication occurs over email. And attackers take advantage of it. They exploit these communication channels by either impersonating the vendor or hacking into their account to deceive their...| DMARC Report
In today’s digital business landscape, email remains a primary communication channel—but also a frequent target for cyber threats such as phishing and spoofing. To safeguard professional correspondence, the Sender Policy Framework (SPF) plays a pivotal role in verifying that messages are sent from authorized servers. When effectively configured, SPF strengthens domain credibility, prevents impersonation, and...| DMARC Report
In today’s digital-first world, email remains one of the most powerful tools for business communication, marketing, and customer engagement. However, sending emails without proper verification can quickly damage your reputation, trigger spam filters, and waste valuable resources. Invalid, fake, or disposable addresses not only increase bounce rates but also put your domain at risk of...| DMARC Report
Hello cyber fam! It feels like 2025 started just a couple of months back, and now it’s already October. The cybercriminals are pulling up their socks to prepare for the upcoming festive rush. That’s exactly why we are here to “cyber” educate you so that you can enjoy Halloween, Thanksgiving, Christmas, and the New Year...| DMARC Report
Your email authentication setup is only as strong as your understanding of what’s happening behind the scenes. Once you have implemented the authentication protocols, including SPF, DKIM, and DMARC, your work does not stop there. In fact, that’s just the start. In the same vein, when you implement DMARC, it’s not a ‘set it and...| 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 how to identify, report, and remove malicious domains targeting your brand. Complete guide to taking down lookalike domains and brand protection. The post How to take down lookalike domains targeting your business first appeared on Valimail.| Valimail
This week’s cyber reports reveal escalating threats on trusted platforms. A significant phishing attack on npm spread malware to millions, while a compromise| DuoCircle
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
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
DKIM (DomainKeys Identified Mail) signatures provide a crucial layer of email authenticity verification, ensuring emails are from legitimate sources like KnowBe4 or your organization. Here’s how you can set up Continue ReadingEnabling and Customizing DKIM Signatures in PhishER(Knowbe4) The post Enabling and Customizing DKIM Signatures in PhishER(Knowbe4) first appeared on Progist Knowlegde Base.| Progist Knowlegde Base
Establishing Easy DKIM for a verified domain identity entails configuring DomainKeys Identified Mail (DKIM) to strengthen email authenticity and security. 1. Verify Your Domain in Amazon SES: - Access the Amazon SES console. - In the left navigation pane, select "Domains." - Click the "Verify a New Domain" button. - Enter| Progist Knowlegde Base -
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
Sometimes your email just doesn’t reach its recipient. You’ve done everything right— crafted the perfect message, sent it to the correct address, and even| DuoCircle
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
Outlook Mobile clients have started to highlight messages received from unverified senders. But what does "unverified" mean and what can be done to fix the problem? The issue lies at the sender’s end, so the administrators of the sending system must verify their email configuration to make sure that Exchange Online can validate inbound messages from their domain. The same visual markers are available in Outlook classic, OWA, and the new Outlook.| Office 365 for IT Pros
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 the digital landscape we navigate daily, understanding the intricacies of how information gets from one point to another can feel a bit like trying to| DMARC Report
What is DKIM? DKIM stands for DomainKeys Identified Mail and is an email autentication method. It helps the receiving mail server to verify whether an email have been sent from an allowed email server or not. The idea of DKIM is that the senders email servers are signing all outgoing messages with asymmetric encryption. The […] The post What is DKIM and how do you enable IT in Microsoft 365? first appeared on TzuSec.com.| TzuSec.com
Back in 2012, when DMARC was first published, it emerged as a revolutionary solution to email-based attacks, which the email infrastructure natively couldn’t| 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
Here’s a harsh truth that organizations don’t realize: you can’t protect your domain from phishing and spoofing attacks by simply implementing email| DMARC Report
Typosquatting is a deceptive practice in which cybercriminals register domain names that are intentional misspellings or slight variations of well-known| DMARC Report
In today’s digital age, protecting your online accounts, especially your Google account, has never been more crucial. With phishing scams becoming| DMARC Report
In an age where our phones buzz with endless notifications, the last thing we want is to be misled by strange numbers popping up on our caller ID. Phone| DMARC Report
Hey people! Welcome to July week 2. Here comes our fresh dose of cyber bulletin that will keep you up-to-date on the latest cyber incidents and will also help| DMARC Report
SQL Injection (SQLi) is a cyber vulnerability that arises when attackers manipulate SQL queries by injecting malicious code into input fields intended for| DMARC Report
Different countries treat email security differently, and it shows in how they handle DMARC.The reason behind this could be that they’re exposed to a| DMARC Report
PTR records, often called Pointer Records, serve a distinctive role within the realm of DNS by facilitating reverse DNS lookups. Instead of mapping a domain| DMARC Report
Hello people! It’s July already, and we're here once again with the latest global cybersecurity incidents. The threat actors are getting sophisticated with| DMARC Report
Confused about DKIM, SPF, and DMARC? Learn why alignment matters for deliverability—and how to keep your emails out of the spam folder.| emarketingplatform.com
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
Microsoft's new 2025 rules for bulk email senders demand SPF, DKIM, and DMARC. Stay compliant and secure with ProDMARC before the deadline hits.| Progist Blogs | ProDMARC | ProPHISH - Experienced secure services.
Build trust in email marketing and avoid deliverability pitfalls. Learn to maintain engagement, prevent spam complaints, and recover email reputation.| emarketingplatform.com
Enhancing the security of your organization’s communication channels is more critical than ever. Building on foundational protocols like SPF, DKIM, and DMARC, you can implement advanced technologies such as IPv6, DNSSEC, STARTTLS, DANE, and RPKI to secure Microsoft 365 email environments, specifically focusing on Exchange Online functionality. These protocols work in tandem to mitigate risks,... The post From SPF to DANE: Securing Microsoft 365 Email Communications appeared first on Modern ...| Modern Workplace Blog
Fighting spam can be tricky. In addition to SPF records, DKIM is nearly mandatory to help prevent sent emails from being classified as spam. Beginning February of 2024, both Google and Yahoo will require DMARC, which require either SPF or DKIM; and in some cases for a high volume of emails (5,000+), both. In this […] The post Configuring DKIM for Postfix appeared first on Jack Stromberg.| Jack Stromberg
Email Authentication Series - Part 3: DKIM (DomainKeys Identified Mail) What is it? How does DKIM protect content & content identity? Troubleshooting & more| Kickbox Blog
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
Email security is a critical aspect of digital communication, especially given the rising sophistication of cyber threats. DomainKeys Identified Mail (DKIM) and Authenticated Received Chain (ARC) are standards designed to ensure the authenticity and integrity of emails. However, as discovered by analysts at Zone.eu, vulnerabilities in the DKIM standard could undermine these protections, affecting billions of users worldwide.| stalw.art
| The Grumpy Troll: The Grumpy Troll
| The Grumpy Troll: The Grumpy Troll
After reading the Wired story last week about Zachary Harris discovering a widespread vulnerability related to the use of weak cryptographic DKIM keys (less than 1024 bits) by companies like Google, eBay, Yahoo, Twitter and PayPal, and the subsequent CERT warning (VU#268267), I decided to write a quick tool to check DKIM TXT records and … Continue reading Verifying a DKIM TXT Record and Key Length The post Verifying a DKIM TXT Record and Key Length appeared first on protodave.| protodave
What is DKIM? DomainKeys Identified Mail (DKIM) is a method for email authentication designed to detect sender address forgery (spoofing) in email, which is often used in spam and phishing emails. How does DKIM work? The DKIM system allows email receivers to confirm that a message claiming to come from a particular domain was authorized by the … Continue reading Checking your DKIM DNS record The post Checking your DKIM DNS record appeared first on protodave.| protodave
If you’re like most people, there’s a good chance that it’s been years since you’ve sent an email that wasn’t cryptographically signed. You don’t use PGP, you say? Well, even if you are…| rya.nc
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
Get essential info on how email authentication protocols work as well how they prevent email deliverability issues and email spoofing.| Email on Acid
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
Building and sending e-mails securely does not have to be complicated. Today the mail-send crate was released including the following features:| stalw.art
Gmail lehnt verstärkt Mails ohne gültigen DKIM-Eintrag und ohne SPF Eintrag ab, eine Zustellung an Empfänger bei Gmail ist somit nicht mehr möglich. Gmail setzt für den Empfang von E-Mails nun das DKIM-Verfahren zwingend vorraus. Dies muß nun bei jeder Absender Domain gesetzt sein. Der Ablehnungsgrund von Gmail sieht dann in der Regel so aus:...| Serverprofis GmbH
