Insights on email privacy & productivity.
Tips, guides, and deep dives from the Cleanbox team.
The Problem with TLD Reputation: Why .xyz and .top Domains Get Blocked
Some domain extensions have such a bad reputation that email from them is blocked by default. Which TLDs are affected, why, and how to filter on them.
QR Code Phishing (Quishing): The Email Threat Your Spam Filter Might Miss
QR codes are everywhere, and cybercriminals know it. Quishing - phishing via QR codes embedded in emails - is surging because traditional spam filters cannot read images the way they scan links. Learn how this attack works, why it is so effective, and how to protect yourself.
Spam Filters Explained: How Email Providers Decide What Is Spam
Bayesian classifiers, IP blacklists, authentication checks, and machine learning - how modern spam filters work under the hood, and why they sometimes get it wrong.
How to Build a Layered Email Security Setup (Without Being a Tech Expert)
No single tool stops every email threat. Layer spam filtering, authentication, aliases, and encryption - step by step, no technical background needed.
Apple Hide My Email vs Dedicated Email Alias Services
Apple Hide My Email offers seamless alias generation for iCloud+ users, but it comes with ecosystem lock-in and limited control. We compare it to dedicated alias services to help you decide which approach fits your privacy needs.
How to Manage Multiple Domain Emails from One Gmail Inbox
Run five domains from one Gmail inbox - with aliases, labels, and per-domain spam filtering. No extra mailbox subscriptions needed.
Email Aliasing Explained: What It Is and Why You Need It
Email aliases are the single best tool for protecting your inbox. Learn what they are, how they differ from forwarding, and why millions of users are switching.
How to Set Up a Catch-All Email on Your Domain (and Why You Might Not Want To)
Catch-all addresses accept email to any address on your domain. Convenient, but with serious spam consequences. Here is when it makes sense.
Why Am I Suddenly Getting So Much Spam?
The 5 most common reasons your inbox is suddenly flooded with spam - and what to do about each one.
Shared Inboxes Without Shared Passwords: Email Aliases for Teams
How to give your team access to shared email addresses without sharing credentials or disabling 2FA.
How to Block Emails on iCloud - A Step-by-Step Guide
Block emails on iCloud from iPhone, iPad, Mac, or iCloud.com. Every Apple method explained, plus what to do when built-in blocking is not enough.
Real Phishing Email Analysis: Dissecting 5 Actual Attack Emails
We tear apart five realistic phishing emails step by step, examining their headers, authentication results, social engineering tactics, and payloads. From fake Microsoft 365 password resets to CEO impersonation scams, learn what to look for and what gives each one away.
