Insights on email privacy & productivity.
Tips, guides, and deep dives from the Cleanbox team.
Email Authentication in Practice: When SPF, DKIM, and DMARC Pass and When They Fail
You know what SPF, DKIM, and DMARC are. But do you know why forwarded email fails SPF? Why mailing lists break DKIM? Why DMARC can reject legitimate email? Real-world scenarios explained.
What Happens to Your Data When an Email Service Shuts Down
Spamgourmet is dead. 33mail is gone. What happens to your aliases when a service disappears - and how to protect yourself.
Running a Business on Email: Management Strategies That Scale
How growing businesses handle email at scale - shared inboxes, delegation, automation, and the tooling that makes it work. From solo founder to 50-person team.
How to Show Your Logo Next to Emails in Gmail (BIMI Explained)
BIMI displays your brand logo next to emails in Gmail, Apple Mail, and Yahoo. Here is what it requires and two ways to set it up.
Custom Domain Email: The Complete Guide for Small Businesses
Why every business should use a custom domain for email, how to set it up, and how to add spam protection without running your own mail server.
How Password Managers and Email Aliases Work Together
Unique password plus unique email per service equals maximum compartmentalization. Here is the practical workflow with Bitwarden, 1Password, and Cleanbox.
Is This Email a Scam? A Quick Checklist
An 8-point checklist to verify any suspicious email - no technical knowledge required.
How Spamhaus Detects Spammers: Inside the World's Largest Threat Intelligence Network
Spamhaus is the most influential anti-spam organization on the planet. Their blocklists protect billions of mailboxes and their decisions can cut off entire networks from email delivery. Here is how they actually work, from spam traps to legal battles.
Professional Online Presence Without Exposing Your Personal Email
How to email clients, join platforms, and network online without giving away your personal address. Practical privacy layers for freelancers and small teams.
What Happens to Your Email Before It Reaches Your Inbox?
From the moment someone clicks send to the moment it lands in your inbox - the surprisingly complex journey of an email through DNS, SMTP, spam filters, and authentication.
Cleanbox vs SimpleLogin: Which Email Alias Service Is Right for You?
An honest comparison of Cleanbox and SimpleLogin - two different approaches to email aliasing. Where each one wins and when to use which.
SIM Swapping Explained: How Attackers Steal Your Phone Number
SIM swapping is one of the fastest-growing forms of identity theft. Attackers hijack your phone number to bypass two-factor authentication, reset passwords, and take over accounts. Learn how these attacks work, who is at risk, and the concrete steps you can take to protect yourself.
