Boutique Knowledge

The craft of frictionless hosting and reliable email.

Actionable guides, honest cost breakdowns, and technical best practices written by CATCOM's engineering team. Designed to help you make better decisions without the headache.

Featured Guide

⭐ Essential Read

Why Do Corporate Emails End Up in Spam & How to Fix It?

Burned shared IPs, weak 1024-bit DKIM keys, and missing SPF alignments: the real reasons your business quotes get ignored.

⏱️ 7 min read Read full article →

Recent Publications

All Guides & Articles

Clear explanations without unnecessary technical jargon.

smtp · dkim 2048

Corporate Email

Why Do Business Emails Go to Spam? 2026 Guide

Shared blacklisted IPs, broken cryptographic authentication, and silent throttling from Gmail/Outlook.

Aug 23, 2026 · 7 min Read guide →

nginx · php 8.4

Hosting & Webmaster

Managed vs. Shared Hosting: Which is Best for You?

Why cheap cPanel hosting ends up costing far more once you calculate external technician hours, outages, and lost time.

Aug 23, 2026 · 6 min Read analysis →

dns · zero-downtime

Web Migration

Migrate Your Website with Zero Downtime & Preserved SEO

A 5-step engineering checklist: DNS TTL lowering, staging verification, SSL generation, and mailbox synchronization.

Aug 23, 2026 · 5 min Read protocol →

pricing · tco

Comparisons

Is Squarespace Worth It in 2026? Pricing & Hidden Costs

Hidden Google Workspace mailbox fees, DIY layout frustrations, and vendor lock-in: the truth before subscribing.

Aug 31, 2026 · 7 min Read analysis →

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