Category: LuxSci Library: Security and Privacy

The Case For Email Security

March 21, 2025

We all know that regular email is insecure; however, it may surprise you to learn just how insecure it really is. For example, did you know that messages you deleted years ago may be on servers halfway around the world? Or that your messages can sometimes be read and modified in transit, even before they […]

How to Tell If Someone Read Your Email: Read Receipts and Web Bugs

January 30, 2024

We’ve all been in this scenario: you send an important email to your boss or a client, and then you wait, stressed out and anxious to know if they received it and their response. Typically, you can request a read receipt when sending the message to confirm the email was received. Another method, HTML web […]

Opportunistic TLS vs Forced TLS for SMTP

January 23, 2024

Email sometimes seems like magic because of how quickly messages are transmitted across the internet. While the rapid delivery speeds justify this presumption, a lot must happen for an email to reach you. Email sending relies on a protocol called the Simple Mail Transfer Protocol (SMTP) to make its way across the internet to your recipient’s […]

Is the Email Encrypted? How to Tell if an Email is Transmitted Using TLS

January 9, 2024

SMTP TLS encryption is popular because it provides adequate data protection without creating a complicated user experience for email recipients. Sometimes, though, the experience is too seamless, and recipients may wonder if the message was protected at all. Luckily, there is a way to tell if an email was encrypted using TLS. To see if […]

AI Threats to Email Security

October 17, 2023

Artificial intelligence is a buzzy topic in the tech industry right now. Many experts are looking to AI to help solve some of the complex challenges of our times. However, besides this technology’s helpful and practical applications, there are some concerns that AI can be used for malicious purposes. In this article, we review some […]