Windows Server SMTP Relay: Complete Configuration and Setup Guide

Windows Server SMTP Relay: Complete Configuration and Setup Guide

Setting up an SMTP relay on a Windows Server might sound like a daunting task, but it’s essential for keeping your email communications flowing smoothly. If you’ve ever hit “send” on an email and wondered what happens next, you’re not alone. Email messages travel across multiple servers before reaching their destination, making proper configuration crucial for success. Understanding the basics of how SMTP relay works can save you from frustrating delays and delivery issues down the line. This guide will take you step-by-step through the setup process, ensuring that your emails are sent securely and efficiently while navigating the unique features of newer Windows Server versions like 2025. So, let’s dive in and simplify this process together!

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Ransomware EDR Bypass, Apache Parquet Exposure, CISA Oil Threats – Cybersecurity News [May 05, 2025]

Ransomware EDR Bypass, Apache Parquet Exposure, CISA Oil Threats – Cybersecurity News [May 05, 2025]

Ransomware EDR Bypass, Apache Parquet Exposure, CISA Oil Threats – Cybersecurity News [May 05, 2025]

by DuoCircle

This week, attackers found a clever way to slip ransomware past SentinelOne’s defenses using its own update process. A serious Apache Parquet flaw just got easier to exploit thanks to a new public tool. The U.S. government is warning energy sector operators about ongoing cyber threats that use alarmingly basic tactics, and medical tech enterprise Masimo is dealing with production delays after a network breach. Plus, the Darcula phishing service is abusing iMessage and RCS. Full breakdowns below!

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Are humans the most vulnerable link when it comes to cybersecurity?

Are humans the most vulnerable link when it comes to cybersecurity?

Are humans the most vulnerable link when it comes to cybersecurity?

by DuoCircle

 

The cybersecurity ecosystem stands tall on three supporting pillars- technology, processes, and people. As cyber scams are getting more sophisticated with one attack at a time, cybersecurity experts are bound to introduce more complex technology and intricate processes to curb the risk. However, human beings tend to lag behind when it comes to matching the pace with the latest cybersecurity dynamics. The 2025 Data Breach Investigation Report by Verizon has claimed that a staggering 60% of data breaches took place because of human error. Undeniably, we are the most vulnerable when it comes to the cybersecurity landscape.

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Phishers abuse Google sites and DKIM replay to send fake emails and steal credentials

Phishers abuse Google sites and DKIM replay to send fake emails and steal credentials

Phishers abuse Google sites and DKIM replay to send fake emails and steal credentials

by DuoCircle

In a highly sophisticated phishing attack, cybercriminals took an uncommon path to allow fraudulent phishing emails to bypass Google’s security filters and redirect recipients to cloned websites, where they were asked to enter their credentials. The emails were sent from no-reply@google.com and included valid DKIM signatures— in short, it was a classic case of DKIM replay attack. That’s why they passed email authentication checks and Gmail displayed them without any warnings.

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Apple AirBorne RCE, Lazarus Watering Attacks, CISA Flags Exploits – Cybersecurity News [April 28, 2025]

Apple AirBorne RCE, Lazarus Watering Attacks, CISA Flags Exploits – Cybersecurity News [April 28, 2025]

Apple AirBorne RCE, Lazarus Watering Attacks, CISA Flags Exploits – Cybersecurity News [April 28, 2025]

by DuoCircle

This week’s updates are packed with real-time threats and adversarial attacks. Nowadays, even Apple devices are open to silent attacks without users even tapping a button. A few software flaws are now confirmed to be under real attack, and there’s a fresh warning about ransomware-as-a-service being marketed with brand-friendly options. And if your developers forget to hide Git files, there’s a growing number of attackers ready to pounce. Here’s what happened recently and what details you should know of.

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Setup HostGator Email: A Step-by-Step Guide for Your Account

Setup HostGator Email: A Step-by-Step Guide for Your Account

Setting up your HostGator email account might seem like a task reserved for the tech-savvy among us, but worry not—it’s easier than you think! Whether you’re starting fresh or moving from another service, having an email that matches your domain adds a professional touch to your communications. With the right guidance, you’ll sail through the setup process without a hitch. Let’s dive into this step-by-step guide that simplifies every stage, ensuring you can focus on what matters most—connecting with your audience and clients effortlessly.

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What is the role and relevance of SPF in BIMI and VMC?

What is the role and relevance of SPF in BIMI and VMC?

 

You might think it is easier to upload your logo next to your emails so that your audience can easily recognize your brand among all the clutter and feel more confident when engaging with your messages. But it’s far more complicated than that! 

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ClickFix Hacking Tactic, Android Credit Scams, Marks Spencer Cyberattack – Cybersecurity News [April 21, 2025]

ClickFix Hacking Tactic, Android Credit Scams, Marks Spencer Cyberattack – Cybersecurity News [April 21, 2025]

ClickFix Hacking Tactic, Android Credit Scams, Marks Spencer Cyberattack – Cybersecurity News [April 21, 2025]

by DuoCircle

This week, we will explore how malware disguised as security tools is stealing credit card information and how hackers are initiating customer support scams. From supermarket delays to SIM data leaks, it’s been anything but quiet on the cyber front. We will also examine Microsoft’s internal misstep, which resulted in the locking out of thousands. Here’s what you need to know before you click, tap, or swipe again.

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