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What Is a DMARC Aggregate Report and Why You Receive Emails from noreply@dmarc.yahoo.com

If you manage a business domain or corporate email system, you may have received emails from addresses like noreply@dmarc.yahoo.com with attached files ending in .xml.gz. At first …

Do Paid Domain-Based Email Services Require SPF, DKIM & DMARC? A Technical Knowledge Base Guide for Google Workspace, Microsoft 365, Yahoo Business Mail & Rediffmail Pro

Modern email delivery is governed by strict anti-spam and anti-phishing standards. Merely purchasing a paid, domain-based email service does not guarantee inbox delivery.Whether yo…

DMARC, DKIM, and SPF for Email Authentication

Introduction Email authentication is critical for protecting against spam, phishing, and other malicious activities. DMARC (Domain-based Message Authentication, Reporting, and Conf…

Correct DNS Architecture When Using Cloudflare with Hostinger Hosting and Email Services (Hostinger / Google Workspace / Zoho / None)

This Knowledge Base article explains the correct DNS architecture, configuration, and operational best practices when: A domain is delegated to Cloudflare for DNS and security …

DNS TXT Record Save Failure Due to Mismatched TTL Values

DNS management interfaces may reject changes to TXT records with an error stating that records of the same name and type must have the same TTL value. This issue commonly surfaces …

RSS Feeds Explained: Definition, History, How They Work, Use Cases, Pros & Cons

RSS (Really Simple Syndication) is a standardized web technology that allows users and systems to automatically receive updates from websites without visiting each site manually. R…

Step-by-step: fix “email sent as another user” using Google Workspace SMTP Relay + PostMaster

A) Google Workspace (Admin Console) — set up SMTP Relay Open: Admin Console → Apps → Google Workspace → Gmail → Routing → SMTP relay service → Add Setting. Description: Pos…

Why Business Emails Go to Spam Even When SPF, DKIM, and DMARC Are Correct

Many organizations assume that once SPF, DKIM, and DMARC are configured correctly, all business emails will reliably reach the inbox. In reality, email authentication is only the f…

How to Add a WYSIWYG Editor in PHP Pages Using TinyMCE and Trumbowyg

A WYSIWYG (What You See Is What You Get) editor makes it easier for users to edit and format content on websites, blogs, or knowledgebase platforms — without writing raw HTML. Popu…

Canonical URLs and UTM Parameters Explained — SEO, Analytics, Tracking, and Best Practices for Modern Websites

In digital marketing and website optimization, two small elements — canonical URLs and UTM parameters — play a massive role in determining how search engines view your pages and ho…

Correct Domain Address Formats in Google Workspace Gmail Compliance & Email Restriction Policies

In Google Workspace (Gmail) Admin settings, address lists are commonly used to control allowlisting, blocklisting, and authentication requirements for inbound and outbound email.A …

Google Workspace SMTP Relay (IP-Based) — Architecture, Configuration, EHLO / Envelope-From Errors & Fixes

This Knowledge Base article provides a technical deep dive into Google Workspace Gmail SMTP Relay (IP-based), covering:SMTP Relay architecture and behaviorCorrect configuration for…

How to Set Up MX Records for Google Workspace (2026)

Email delivery for any domain depends on Mail Exchange (MX) records, a critical DNS configuration that tells the global internet where to deliver incoming email. When you deploy Go…

How to Configure Google Workspace MX Records for Email Delivery (Technical Guide)

This Knowledge Base article provides a technical, implementation-focused guide for configuring MX (Mail Exchange) records for Google Workspace.It is written for IT professionals, s…

Google Workspace vs Microsoft 365 vs Rediffmail Pro – Detailed Technical Comparison for Business Email & Productivity

Selecting the right business email and productivity platform is a strategic IT decision that affects communication reliability, data security, user productivity, and long-term scal…

Independent Director Profile Template (India): Structure, Fields, and Best Practices

An Independent Director (ID) Profile is a formal professional document used by: Company boards and NRC committees ICA Independent Director Databank Listed and unlisted…

YouTube Video Embedding vs Self-Hosted Videos on WordPress Websites

Displaying videos on a WordPress website is common for product demos, training materials, marketing content, and tutorials. A frequent technical decision is whether to upload video…

BIOS “Please Select Boot Device” Screen – Causes, Diagnosis, and Resolution Guide

The “Please Select Boot Device” screen is a BIOS-level prompt that appears when a computer cannot automatically locate a valid bootable operating system. This issue is commonly enc…

Creating Animated SVGs for Web Applications: Tools, Architecture, and Implementation Guide

Animated Scalable Vector Graphics (SVGs) are widely used in modern web applications for lightweight animations such as icons, logos, loaders, charts, and UI feedback elements. Unli…

Google Chrome Not Showing Latest Website Content – Cache, DNS, and Browser Behavior Explained

This Knowledge Base article explains why Google Chrome displays outdated or old versions of a website instead of the latest deployed content. It covers browser caching, DNS resolu…

What Are Google Fonts? Benefits and Complete Overview for Designers & Developers

What Are Google Fonts? Google Fonts is a free and open-source collection of web fonts provided by Google. It allows developers, designers, and content creators to use high-quality…

Tally Invoice Logo Configuration – Recommended Size, Format, and Troubleshooting Guide

This Knowledge Base (KB) article provides technical, practical guidance for configuring a company logo on Tally invoices. It is intended for IT professionals, system administrator…

Claude AI and Its Knowledge of Indian Penal Law (IPC): Capabilities, Limitations, and Best Practices

Claude AI, accessible via claude.ai, is a large language model developed by Anthropic. It is designed to assist users with reasoning, summarization, drafting, and question-answerin…

What Is an Email Preheader? A Technical Guide to Preheader Text in Email Campaigns

An email preheader is a short line of text that appears immediately after the subject line in an email client’s inbox preview. It provides recipients with additional context about …

Digital Marketing in India: Tools & Agencies — Operating Landscape, Registration Norms, Procurement, Compliance, and Claim Guide

Digital marketing has become a core function of modern business strategy, leveraging tools and agencies to drive visibility, leads, conversions, and analytics. This Knowledge Base …

Remote Support Tools Comparison (TeamViewer, AnyDesk, UltraViewer & Alternatives): Pricing, Features, Performance, Pros/Cons, and Security Risks

Remote support tools let an IT technician view/control a user’s computer over the internet to troubleshoot issues, install software, transfer files, and provide real-time assistanc…

Mozilla Thunderbird Features and Shortcut Commands for Everyday Productivity

Mozilla Thunderbird is a free, open-source email client widely used for email management, calendars, contacts, and newsgroups. It is popular among professionals and IT teams due to…

Microsoft Word Features and Shortcut Commands for Daily Productivity

Microsoft Word is one of the most widely used word processing applications for documentation, reporting, correspondence, and content creation. Beyond basic typing, Word offers a ri…

Remote Desktop Manager Auto Backup vs Manual (Cloud) Backup — Configuration, Behavior, and Troubleshooting Guide

Remote Desktop Manager (RDM) provides multiple backup mechanisms to protect connection data, credentials, and configuration settings. Administrators often assume that enabling auto…

Understanding Gmail Labels vs. Outlook Folders in Google Workspace (IMAP/GWSMO)

Many users of Google Workspace prefer using Microsoft Outlook as their primary email client. However, the way Gmail organizes emails using labels versus Outlook's use of folders of…

MX Record TTL Mismatch Between Cloudflare and Hostinger: Technical Impact, Behavior, and Resolution

This article explains why Cloudflare DNS does not provide a 14400-second (4-hour) TTL option while Hostinger recommends TTL 14400 for MX records, and whether this mismatch causes e…

Cyber Security in India: Compliance & Threat-Defense Tools, Key Vendors, Registration Norms, and GST/Procurement Claim Process

Cyber security tooling for businesses in India generally falls into two buckets: Threat-defense tools (prevent/detect/respond): EDR/XDR, SIEM/SOAR, IAM/PAM, WAF, email security,…

How to Fix DKIM TXT Record Truncation Issue in DNS: Complete Step-by-Step Guide for Google Workspace

What is DKIM?DKIM (DomainKeys Identified Mail) is an email authentication method that adds a digital signature to your outgoing emails. It prevents spoofing and ensures that receiv…

How to Configure Google Workspace SMTP in Postbox: Complete Setup Guide by Bison Infosolutions

? IntroductionEmail remains the backbone of professional communication. Whether you're managing multiple business inboxes or ensuring reliable message delivery, having a secure and…

GST Reverse Charge Mechanism (RCM) for Hostinger Purchases and Resale in India – Accounting & Tally Prime Implementation Guide

Indian businesses frequently purchase hosting, cloud, and digital services from overseas providers such as Hostinger. When these services are imported into India and later resold t…

Fingerprint Locks (Biometric Door Locks) – Working Principle, Technology, Recovery Methods, Sizes & Manufacturers

Fingerprint locks, also known as biometric door locks, are electronic access-control devices that authenticate users based on fingerprint patterns instead of traditional keys. They…

External Hard Drives — Capacity, Sizes, Technology, Manufacturers, Warranties & Popular Models (Technical Guide)

External hard drives remain an essential tool for backup, archival, media libraries and portable data transfer. This article—written for IT teams, procurement, and operations—expla…

AppSumo Knowledge Base: Platform Overview, How It Works, Use Cases, and Best Practices

AppSumo is a digital marketplace that connects software product creators with early adopters, startups, and small businesses by offering lifetime deals (LTDs) and heavily discounte…

Lighting Modifiers for Cameras: Umbrellas, Lightboxes, Softboxes, and Control Tools – Technical Guide

In photography and videography, light modifiers such as umbrellas, softboxes, reflectors, grids, and snoots are essential tools that shape, diffuse, and control light. While light …

Camera Lighting & Flash Systems Explained: Types, Quality, Specifications, Brands, and Professional Maintenance Guide

Lighting is a core technical component of imaging systems. Regardless of camera quality, poor lighting results in noisy, flat, or unusable images, while correct lighting dramatical…

Camera Lenses Explained: Types, Optical Quality, Sizes, Coatings, Manufacturers, and Professional Maintenance Guide

Camera lenses are the most critical optical component in any imaging system. Whether used in DSLR cameras, mirrorless cameras, video cameras, cinema cameras, action cameras, or ind…

Detecting and Preventing Hyper-V, Virtual NIC, and RDP Takeover Persistence on Windows Servers – A Complete Incident Response & Hardening Guide

Modern Windows Server attacks rarely stop at initial access. Once attackers obtain administrator or SYSTEM-level execution, they often attempt to establish persistence by enabling …

PHP-Based Sitemap.xml Implementation for SEO-Optimized Websites

A sitemap is a critical component of modern website SEO. It provides search engines with a structured list of URLs that should be crawled and indexed. While static sitemap.xml file…

Laptop Batteries (2026): History, Types, Ratings, Cells, Compatibility, Who Makes Them, and OEM Manufacturer List

Laptop batteries are custom battery packs built around lithium-based cells, a battery management system (BMS), safety circuitry, and a mechanical enclosure that fits a specific lap…

Microsoft PowerPoint Features and Shortcut Commands for Everyday Productivity

Microsoft PowerPoint is a widely used presentation tool for creating visual content such as business presentations, training material, reports, and educational slides. When used ef…

Excel Files Not Opening on Double-Click in Windows (Opens Only from Inside Excel)

A common issue on Windows systems is when Microsoft Excel files do not open by double-clicking, but open successfully when launched from within Excel using File → Open. This behavi…

How to Disable “Important” Folder in Outlook and Gmail (Step-by-Step Guide)

When you use Gmail with Outlook via IMAP, Gmail automatically applies a label called “Important” to emails. This label syncs to Outlook and appears as a separate folder, which many…

Mastering Outlook with Categories and Search Folders: Organize Smarter, Work Faster

Microsoft Outlook is more than just an email client—it's a powerful organization tool. Two underrated yet powerful features that can revolutionize your workflow are Categories and …

How Search Engines Decode Information from Images: The Hidden SEO Impact of Visual Data

Search engines have become increasingly advanced in recent years, going far beyond analyzing just text-based content. With advancements in Artificial Intelligence (AI), Optical Cha…

Windows File Management Tips and Tricks

Introduction Efficient file management in Windows can significantly enhance your productivity and streamline your workflow. This guide provides practical tips and tricks for organi…