Author: Staff

Email spoofing is a deceptive tactic in which attackers forge the sender address of an email to make it appear as if it originates from a trusted source. This technique is widely used in phishing campaigns, business email compromise, and social engineering attacks because it exploits a fundamental weakness in the way email was originally…

Email blacklists, also known as DNS-based blackhole lists (DNSBLs) or real-time blackhole lists (RBLs), are critical tools used in the fight against spam, phishing, and other forms of email abuse. These lists track IP addresses and domains that have been observed sending large volumes of unsolicited or malicious email. The relationship between email blacklists and…

DNS misconfigurations are one of the leading technical causes behind domain suspension, particularly when they result in service disruptions, violate registry policies, or trigger abuse prevention mechanisms. The Domain Name System, serving as the foundation of how resources like websites, email servers, and other internet services are located and connected, depends on precise configurations. When…

Email remains one of the most widely used communication tools in the world, yet it also continues to be a prime vector for cyberattacks. From phishing and spoofing to man-in-the-middle attacks, adversaries frequently exploit the foundational technologies that make email possible. One such foundation is the Domain Name System (DNS), which converts human-readable domain names…

Email relay servers are a foundational component of how email is transmitted across the internet, acting as intermediaries that receive, forward, and deliver email messages between servers. In both enterprise and consumer environments, they play a crucial role in ensuring that messages sent from one domain can reach recipients at another, traversing complex networks of…

In the world of email communication, two protocols dominate when it comes to retrieving messages from a mail server: POP3 and IMAP. Both have been around for decades and are still widely supported by email clients and servers alike. Despite their shared purpose, they function in fundamentally different ways, and choosing the right one can…

Changing MX records is a fundamental operation in the management of email infrastructure, but it is also one of the most sensitive actions a domain administrator can take. The MX (Mail Exchange) records determine which mail servers are authorized to receive email on behalf of a domain. As such, any changes to these records directly…

Email delivery problems can be some of the most frustrating and disruptive issues faced by businesses and individuals alike. Often, these problems stem from misconfigured or malfunctioning MX records, which are DNS entries that tell the internet where to deliver email for a particular domain. Troubleshooting MX record issues requires a methodical, step-by-step approach to…

When someone hits send on an email, they rarely consider the complex sequence of events that ensures the message arrives at the right inbox. Behind this everyday action lies a well-orchestrated process involving the Domain Name System, or DNS, and a specific type of DNS record known as the Mail Exchange record—better known as the…

The landscape of DNS and email infrastructure is undergoing a significant transformation as emerging technologies, heightened security demands, and evolving usage patterns reshape the way email is delivered, authenticated, and managed across global networks. As the internet becomes increasingly complex and distributed, the traditional models of email routing and domain resolution are giving way to…