Author: Staff

Email infrastructure scalability in cloud environments is a fundamental concern for modern organizations that rely on consistent, high-volume, and highly available email communication. As businesses grow, both in user count and in email traffic—whether from customer support systems, transactional notifications, internal collaboration, or marketing campaigns—their email systems must adapt to increased load without sacrificing performance,…

Email hosting is a foundational element of digital communication for businesses and individuals alike, and the choice between self-managed hosting and cloud-based providers significantly influences not only email reliability and scalability but also security, maintenance, and overall administrative complexity. At the heart of either approach is the correct configuration of MX records, which direct incoming…

Configuring MX records in Cloudflare DNS is a critical step for ensuring proper email delivery when managing a domain through Cloudflare’s authoritative DNS system. Cloudflare, widely known for its performance and security features, also offers a robust DNS management interface that allows domain owners to control their DNS records, including those required to direct email…

Setting up Gmail for use with a custom domain through Google Workspace involves configuring the domain’s MX records to point to Google’s mail servers. MX, or Mail Exchange, records are a vital part of the DNS configuration that tells the internet where to deliver email for a specific domain. When properly configured, these records direct…

Sender Score is a critical metric in the world of email deliverability, functioning as a reputation rating assigned to outbound mail servers based on how trustworthy they appear to recipient systems. Developed by organizations such as Validity (formerly Return Path), Sender Score evaluates a sending IP’s history and behavior across a wide range of signals,…

Email deliverability is a constant concern for organizations that rely on email for communication, marketing, transactions, or support. One of the most frustrating issues is when legitimate emails end up in recipients’ spam or junk folders, where they are likely to be ignored or deleted. Two critical technologies that help combat this issue are DKIM…

Email deliverability—the ability of an email to successfully reach a recipient’s inbox rather than being rejected or filtered into spam—depends heavily on the configuration of DNS records. These records not only route email properly through MX (Mail Exchange) entries but also establish the authenticity, legitimacy, and trustworthiness of the sender. Misconfigured or incomplete DNS records…

Email encryption is a critical component of modern digital communication, ensuring that messages remain private and secure during transmission. One of the most widely adopted methods for securing email in transit is SMTP over TLS, commonly implemented through the STARTTLS command. This method provides opportunistic encryption between mail servers, safeguarding message content from eavesdropping and…

DNS-based blacklists, commonly known as DNSBLs, are a foundational component of modern email filtering systems. They are used by mail servers around the world to detect and block known sources of spam, malware, phishing, and other forms of email abuse. By leveraging the same DNS protocol used to resolve domain names, DNSBLs provide a fast…

Email blacklisting is one of the most common and disruptive issues that can affect mail deliverability. When a sending domain or its associated mail server IP address is placed on a blacklist, messages sent from that domain may be rejected outright or routed to recipients’ spam folders, severely impacting communication and trust. One of the…