Insights on email privacy & productivity.
Tips, guides, and deep dives from the Cleanbox team.
CAPTCHA Phishing - The New Attack That Tricks You Into Verifying Yourself
Phishing pages hidden behind fake CAPTCHA challenges are surging. Learn how these attacks bypass URL scanners, why they are so effective, and how to protect yourself.
How to Report a Phishing Email - Gmail, Outlook, Apple Mail, Yahoo
Step-by-step instructions for reporting phishing emails in Gmail, Outlook, Apple Mail, and Yahoo. Learn why reporting matters and how to escalate to authorities when needed.
How to Encrypt an Email - Step by Step for Gmail, Outlook, and More
Learn the three layers of email encryption - TLS, S/MIME, and PGP - with step-by-step instructions for Gmail, Outlook, Thunderbird, and Apple Mail. Find out which level of protection you actually need.
What Is Email Spoofing and How to Prevent It
Email spoofing lets anyone forge the From address in an email. Learn why SMTP makes this possible, how attackers exploit it, and the exact steps to protect your domain with SPF, DKIM, and DMARC.
How to Create an Email Alias in Gmail, Outlook, and iCloud
Learn how to create email aliases in Gmail, Outlook, and iCloud step by step. Compare plus addressing, native aliases, Hide My Email, and dedicated alias services to find what works best.
What Is a Bounce Back Email and How to Fix It
Bounce back emails mean your message was not delivered. Learn the difference between hard and soft bounces, how to read SMTP error codes, and how to fix the most common causes.
How to Forward Emails Automatically in Gmail, Outlook, and iCloud
Step-by-step instructions for setting up automatic email forwarding in Gmail, Outlook, and iCloud Mail. Plus the limitations of forwarding and smarter alternatives like email aliases.
What Is Phishing - A Complete Beginner Guide
Phishing is the most common cyber threat, and anyone can fall for it. Learn what phishing is, how to spot it, the different types, and exactly what to do if you receive or click a phishing email.