Open any newsletter and look closely. The visible part is the article. The invisible part is a quiet network of pixels, redirects, and identifiers that report back the…
How Marketers Track You Through Email
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Blog
Privacy, cybersecurity, and email tips from the LettMail team.
Free Wi-Fi, Airports, Cafes, Real Risks
For years, every article about public Wi-Fi opened the same way: a hacker at the next table could see your passwords, read your email, and empty your bank…
Email Headers Spot Spoofed Sender
Every email you receive carries metadata most people never open. It hides behind a “Show original” or “View source” button and tells you, in detail, the route the…
Two Factor Authentication: SMS, Apps, and Hardware Keys Compared
Two factor authentication is the most useful security upgrade most people will ever switch on. The idea is simple: even if someone has your password, they cannot get…
Why Password Reuse Still Causes Account Takeovers
Ask anyone who works in security operations what causes most of the account takeovers they see, and the answer is almost always the same. Not a clever exploit.…
First 24 Hours After Email Data Breach
The alert lands: a service you used has been hit by a data breach, and your address is on the list. Maybe the leak is just emails. Maybe…
How to avoid phishing in 2026
Phishing is the oldest trick on the internet, and it still works because it keeps getting better. The clumsy “Dear Customer” email full of typos was easy to…
10 Real Situations Where Temp Mail Saves You From Spam
Most spam is not the result of a hack. It is the result of a decision you made and forgot about: you handed your address to some website,…
What Is a Temporary Email and How Does It Work?
I built LettMail, which means I spend more time than is probably healthy thinking about inboxes that delete themselves. So let me start with the part most explainers…