Insights on email privacy & productivity.
Tips, guides, and deep dives from the Cleanbox team.
How to Set Up a Custom Domain Mailbox
A complete guide to setting up email on your own custom domain. From registering a domain to configuring DNS records, choosing between full hosting and alias forwarding, and testing authentication - everything you need for a working custom domain mailbox.
How to Set Up a Professional Email Address in Under 10 Minutes
A no-nonsense guide to getting you@yourbusiness.com working in 10 minutes flat. No enterprise tools, no overkill.
Email Accessibility: Making Your Messages Readable for Everyone
One in five people has a disability. Your emails should work for all of them. Practical guidelines for accessible email - alt text, semantic HTML, plain text, color contrast, and screen reader compatibility.
Everything You Need to Know About Using Subdomains for Email
info.brand.com, news.brand.com, mail.brand.com - subdomains are everywhere in email. When are they legitimate, when are they phishing, and should you use them for your own domain?
Registration and Password Reset Bombardment: How to Stop It
Attackers flood your inbox with hundreds of signup confirmations and password reset emails. Why it happens and how aliases and rate limiting stop it.
The Complete Guide to Deleting Old Online Accounts
That forum you signed up for in 2014. The shopping site you used once. The fitness app you tried for a week. Every dormant account holds your personal data and is a breach waiting to happen. Here is how to find them, delete them, and handle the ones that refuse to go away.
Monitoring Your Domain's Email Health with the Cleanbox API
Build a daily monitoring script that tracks spam rates, delivery failures, quarantine backlog, and usage trends - then sends a summary to Slack. Python implementation with working API calls.
What Your Email Metadata Reveals About You (Even When the Content Is Encrypted)
You encrypted the body. But the headers still show who you emailed, when, from where, which device, which client, and how often. Email metadata is a surveillance goldmine - here is what it contains and how to limit your exposure.
Email Forwarding Services Compared - ImprovMX vs Cloudflare vs ForwardEmail (2026)
Five email forwarding services compared side by side - features, spam filtering, pricing, and which one fits your situation. Honest breakdown with no fluff.
The Best Free Email Tools for Privacy in 2026
Nine free tools that protect your email privacy right now - aliases, breach monitoring, tracker blocking, password managers, and more. No subscriptions needed.
Building an Email Security Stack for Small Businesses in 2026
A practical, budget-conscious guide to layered email security - DNS, filtering, training, and monitoring for teams of 1 to 50.
Email Threat Landscape: 10 Types of Attacks Targeting Your Inbox
From phishing to BEC to zero-font tricks - the 10 most common email-based attacks in 2026, how they work, and how each one is stopped.