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SPF Configuration for Google Workspace, Zoho Mail, and PHP Website Forms

This article provides a practical technical reference for configuring Sender Policy Framework (SPF) when email is sent from multiple systems, including: Google Workspace Zo…

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…

SMTP Relay Testing & Diagnostics – Technical Knowledge Base Guide

This article provides a technical reference for testing, validating, and troubleshooting SMTP relay configurations. It is intended for IT professionals, system administrators, and …

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…

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…

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…

Understanding and Troubleshooting 100% Email Rejection Rates (p=reject; pct=100)

This article explains the technical meaning, causes, diagnostics, and remediation steps for scenarios where email delivery statistics report:p = reject; pct = 100It is intended for…

How to Configure DMARC Enforcement for BIMI in Google Workspace

This knowledge base article provides a technical, implementation-focused guide for configuring DMARC enforcement as a prerequisite for BIMI (Brand Indicators for Message Identifica…

How to Share SMTP Email Details Safely for a requirement of App Password for Web Applications or Whitelisting Requirements (Google Workspace Users)

When a travel portal sends booking confirmations, invoices, or alerts, it needs an email system to send those messages automatically. This is done using something called SMTP.If n…

Google Workspace Email Deliverability & Inbox Placement – Technical Configuration and Troubleshooting Guide

This article provides a practical, technical guide for IT professionals, system administrators, and support engineers responsible for improving email deliverability in Google Works…

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…

Mailfence Email Setup in Microsoft Outlook & Mozilla Thunderbird – Complete Configuration Guide

This Knowledge Base article provides a detailed, professional, and technically accurate guide to configure Mailfence email accounts in Microsoft Outlook and Mozilla Thunderbird.It …

Zoho Mail Setup in Microsoft Outlook & Mozilla Thunderbird – Complete Configuration Guide

This Knowledge Base article provides a detailed, technical, and practical guide to configure Zoho Mail accounts in Microsoft Outlook and Mozilla Thunderbird.It is intended for IT a…

GMX Email Setup in Microsoft Outlook & Mozilla Thunderbird – Complete Configuration Guide

This Knowledge Base article provides a detailed, technical, and practical guide for configuring GMX (Global Mail eXchange) email accounts in Microsoft Outlook and Mozilla Thunderbi…

AOL Mail Setup in Microsoft Outlook & Mozilla Thunderbird – Complete Configuration Guide

This Knowledge Base article provides a detailed, technical, and practical guide for configuring AOL Mail in Microsoft Outlook and Mozilla Thunderbird.It is intended for IT administ…

Delayed Delivery of HTML Signature Emails with Inline or Hosted Logos – Technical Analysis & Troubleshooting Guide

This knowledge base article provides a technical deep dive into why emails containing HTML signatures with embedded or hosted logos/images may experience delayed delivery when sent…

Mail.com Email Setup in Microsoft Outlook & Mozilla Thunderbird – Complete Configuration Guide

This Knowledge Base article provides a detailed, technical, and practical guide for configuring Mail.com free email accounts in Microsoft Outlook and Mozilla Thunderbird.It is desi…

Yahoo Free Email (All Domains) Configuration in Outlook & Mozilla Thunderbird – Complete Technical Guide

This Knowledge Base article provides a complete, standardized procedure to configure Yahoo free email accounts—across all supported Yahoo domains—in Microsoft Outlook and Mozilla T…

Email Deliverability Guide: Avoiding Spam Triggers and Improving Inbox Placement

Email deliverability remains a critical concern for IT professionals, system administrators, and support engineers responsible for messaging infrastructure, marketing systems, or t…

iCloud Mail Setup in Microsoft Outlook & Mozilla Thunderbird – Complete Configuration Guide

This Knowledge Base article provides a detailed, technical, and practical guide for configuring iCloud Mail in Microsoft Outlook and Mozilla Thunderbird.It is intended for IT admin…

Hotmail.com & Outlook.com Email Configuration in Outlook and Thunderbird (Free Microsoft Email)

This Knowledge Base article provides a complete, technical, and practical guide to configure free Microsoft email accounts such as hotmail.com and outlook.com in desktop email clie…

Gmail Sending Limits in Google Workspace – Technical Limits, Behavior, and Troubleshooting Guide

This Knowledge Base article provides a technical and operational explanation of Gmail sending limits in Google Workspace.It is intended for IT administrators, system engineers, MSP…

Proton Mail Setup in Microsoft Outlook & Mozilla Thunderbird – Complete Technical Configuration Guide

This Knowledge Base article provides a detailed, technical, and practical guide to configure Proton Mail in Microsoft Outlook and Mozilla Thunderbird.Unlike traditional email provi…

Setting Up POP and IMAP for Third-Party Email Applications

Introduction POP (Post Office Protocol) and IMAP (Internet Message Access Protocol) are two standard protocols used for retrieving emails from a server. While both serve the purpos…

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…

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 …

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…

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 …

GoDaddy Email POP3 & IMAP Settings for Outlook and Thunderbird – Complete Configuration Guide

This Knowledge Base article provides a comprehensive and technical guide to configure GoDaddy email accounts using POP3 or IMAP protocols in Microsoft Outlook and Mozilla Thunderbi…

Difference Between POP, IMAP, and Other Email Access Methods: Technical Comparison, Use Cases, and Best Practices

Email access methods define how email clients retrieve, synchronize, and store messages from a mail server. The choice of protocol directly affects data availability, security, dev…

How to Send Invoices from Tally Using Gmail – Step-by-Step Setup Guide

Sending invoices directly from Tally using Gmail helps you share bills quickly, professionally, and without any manual attachment work. Once Gmail and Tally are configured properly…

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 …

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…

Tuta Mail (formerly Tutanota) Setup in Outlook & Mozilla Thunderbird – Technical Explanation and Limitations

This Knowledge Base article explains how (and why) Tuta Mail cannot be set up in Microsoft Outlook or Mozilla Thunderbird using traditional email protocols.It is written for IT adm…

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…

How to Fix Email Receiving Issues in Google Workspace (Simple Guide)

If your business email is not receiving messages, the problem is often caused by incorrect DNS settings.DNS settings tell the internet where your emails should go. If something is …

How to Configure Yahoo Mail in Microsoft Outlook (Updated Step-by-Step Guide)

Configuring Yahoo Mail in Microsoft Outlook is fully supported, but the process is slightly different because Yahoo requires Enhanced Security Login. This means that Outlook cannot…

How to Set Up Google Workspace Email Using POP and IMAP in Outlook or Thunderbird

Setting up your Google Workspace email in Outlook or Thunderbird using POP or IMAP allows you to manage your emails efficiently across devices. Here's a step-by-step guide to confi…

Domain Name Protection & Brand Security Across TLDs – Technical Knowledge Base

This article provides a technical guide for IT professionals, system administrators, and support engineers on protecting organizational brands across domain extensions (TLDs). It f…

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…

How to Use Google Admin Toolbox Dig Tool to Verify MX Records and other Records like A Record, NS Record, TXT Record etc.

When configuring Google Workspace email or troubleshooting delivery issues, verifying that your MX records are correctly set up in DNS is essential. Google provides an official and…

Tally Prime Configuration Persistence: Backup and Restore of Application, Company, and User Settings

This Knowledge Base article explains where and how Tally Prime stores configuration data, including bank details, email (SMTP) settings, view/UI preferences, and customizations, an…

Mozilla Thunderbird Email Client – Complete Technical Knowledge Base Guide

Mozilla Thunderbird is a free, open-source desktop email client designed for managing emails, calendars, contacts, and tasks across multiple accounts. Developed and maintained by t…

Enforcing Email-Client-Only Access in Google Workspace Using App Passwords (No User Passwords)

Some organizations want to strictly prevent users from accessing Google Workspace accounts via browsers (Gmail web, Google login, Drive, etc.) and force email usage only through de…

Fix: Outlook Keeps Asking for Gmail Password (Google Workspace App Password Solution)

If your Outlook keeps asking for your Gmail or Google Workspace password, even after enabling POP and creating an App Password, you’re not alone. Thousands of professionals face th…

How to Set Up Hostinger Email in Outlook for Windows (Hostinger Webmail)

Setting up your Hostinger email on Outlook for Windows ensures seamless and secure access to your messages across all devices. This guide walks you through both the automatic and m…

How to Move Microsoft Outlook OST Data File to Another Drive (IMAP / SMTP)

When the C: drive becomes full, Microsoft Outlook may stop receiving or syncing emails. This is a common issue for users configured with IMAP/SMTP email accounts, where Outlook sto…

How to Create a Google Workspace App Password for Outlook or Third-Party Email Clients

When you use Google Workspace (formerly G Suite) with email software like Outlook, Postbox, Thunderbird, or any other third-party mail client, you might encounter sign-in errors du…

How to Set Up Google Workspace Email in Outlook and Enable Two-Factor Authentication (2FA)

Introduction Google Workspace (formerly G Suite) offers robust email services that can be seamlessly integrated with Microsoft Outlook. This guide provides step-by-step instruction…