Is Gmail Secure Enough for Business Email?
Gmail offers solid security, but secure and suitable for business are not the same thing. Here is what Gmail does well, where it falls short, and what to add.
How Email Relay Keeps You Online During Provider Outages
When your mail server goes down, email does not stop coming. Without a relay, those messages bounce permanently. With one, they queue and wait.
How to Create a Professional Email Address for Free
Stop using yourname123@gmail.com for business. Here is how to get hello@yourname.com for under $15/year - with free email forwarding, spam filtering, and no monthly subscription.
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.
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.
Why We Built the Team Feature: Email Is Not a Solo Sport
Most email tools treat email as a personal thing. But businesses share inboxes, support addresses, and domain aliases. Here is why we built team collaboration into Cleanbox from the ground up.
What Is Email Relay and How Does It Protect Your Business?
Email relay sits between the internet and your mail server, filtering threats before delivery. How it works, when you need it, and how it differs from aliases.
Business Email Compromise (BEC): The Most Expensive Email Attack You Have Never Heard Of
Business Email Compromise costs organizations billions every year, yet most people have never heard of it. Unlike flashy ransomware attacks, BEC relies purely on social engineering - no malware, no malicious links. Learn how these attacks work, why they succeed, and how to defend against them.
How to Protect Your Company Email from Phishing: A Practical Guide
A layered approach to defending your business email against phishing - from DNS authentication to employee training to relay filtering.
Email Security for Freelancers: Protect Your Professional Reputation
A practical email setup for freelancers - custom domain, alias per client, spam protection, and professional appearance on a budget.
How to Audit Your Email Infrastructure for Security Weaknesses
Your MX records are public. Your SMTP banner reveals your software. Your TLS config may be outdated. Here is a step-by-step security audit of your email infrastructure using free tools - and how to fix what you find.