Never reuse passwords. A manager allows you to have a unique, 20-character password for every site without needing to remember them all.
A combo list is a text file containing thousands—sometimes millions—of username/email and password pairs. These are typically harvested from previous data breaches at major websites. Download 125k Combo Mail Access txt
Even if a hacker has your "mail access" password, Two-Factor Authentication (like an app or hardware key) will stop them from getting into your account. Never reuse passwords
Possessing or distributing stolen credentials can lead to criminal charges under computer misuse laws. These are typically harvested from previous data breaches
In the darker corners of the internet, you’ll often see advertisements for "125k Combo Mail Access" files. While they might look like just another data set for marketers or researchers, these files are a primary tool for cybercriminals. What is a "Combo List"?
Use a reputable service like Have I Been Pwned to see if your email address has been included in a known data breach.