Cold Email Is Spam: Why Unsolicited Outreach Hurts Everyone
That personalized sales pitch in your inbox? Still spam. Why cold email damages the email ecosystem, how warmup services make it worse, and how to protect yourself.
How to Stop Getting Emails Without Unsubscribing
Sometimes clicking unsubscribe is not the right move. Here are alternative ways to stop unwanted email using filters, contact states, and aliases.
Someone Signed Up for Services Using My Email Address - What to Do
Getting emails for accounts you never created? Here is why strangers use your email to sign up, how to stop it, and how to protect yourself.
Anatomy of a Sextortion Email: How These Scams Work and Why They Keep Coming
Sextortion emails are one of the most psychologically manipulative scams in circulation. They claim to have webcam footage, include your real password as proof, and demand Bitcoin. Here is exactly how they work, why they include real credentials, and why you should never pay.
Rspamd Spam Symbols Explained: What Your Spam Report Is Telling You
Rspamd symbols decoded - BAYES_SPAM, DMARC_POLICY_REJECT, ZERO_FONT and 12 more. What each one means, why it triggered, and how to act on it.
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 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.
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.
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.
The Problem with TLD Reputation: Why .xyz and .top Domains Get Blocked
Some domain extensions have such a bad reputation that email from them is blocked by default. Which TLDs are affected, why, and how to filter on them.
Spam Filters Explained: How Email Providers Decide What Is Spam
Bayesian classifiers, IP blacklists, authentication checks, and machine learning - how modern spam filters work under the hood, and why they sometimes get it wrong.
Why Am I Suddenly Getting So Much Spam?
The 5 most common reasons your inbox is suddenly flooded with spam - and what to do about each one.