What Is a Mail Relay and How Does It Work
A beginner-friendly explanation of mail relays - what they are, why they exist, how they fit into the SMTP chain, and the different types of relays used in modern email infrastructure. Understand the technology that sits between the internet and your mailbox.
Email Account Compromises: How They Happen and How to Prevent Them
Compromised email accounts are surging. How attackers get in, the warning signs, and the two things that stop almost all of them.
What Is TLS in Email and How Does It Protect Your Messages
TLS is the encryption standard that protects your emails in transit. Learn how TLS works in email, what STARTTLS does, the difference between opportunistic and enforced TLS, and what TLS does not protect.
Choosing the Right Spam Threshold: A Data-Driven Guide
What spam score should you set? We break down the sweet spots by use case, risk tolerance, and email type, with a decision framework you can apply to every alias.
How to Migrate from Gmail to a Privacy-Focused Email Setup
A step-by-step guide to reducing your dependence on Gmail without losing convenience. Export your data, set up a custom domain, configure aliases, and keep Gmail as a backup.
Building a Custom Email Dashboard with the Cleanbox API
Build a real-time dashboard that visualizes your email flow, spam rates, contact categories, and usage trends. React frontend with Cleanbox API backend.
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.
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.
How to Audit Your Online Accounts and Reduce Your Email Footprint
A step-by-step guide to finding every account tied to your email, closing unused ones, and migrating to aliases for better privacy.
Email Aliases vs VPN: Different Privacy Tools for Different Problems
A VPN hides your IP address. Email aliases hide your email address. They protect different things - here is when you need which.
How Gmail Detects Spam: An Inside Look at Google's Email Filtering
Gmail processes billions of emails daily with a multi-layered spam detection system. Here is how authentication checks, reputation scoring, machine learning, and user signals work together to filter spam.
DNS for Email: Everything You Need to Know (But Were Afraid to Ask)
MX, SPF, DKIM, DMARC, PTR, BIMI, MTA-STS - a plain-English deep dive into every DNS record that affects email delivery, authentication, and security.
