New research shows that up to a half of all HTML email attachments are malicious, and not just because of a few massive campaigns. Researchers warn that attackers are relying more on malicious HTML ...

The "external sender" warnings shown to email recipients by clients like Microsoft Outlook can be hidden by the sender, as demonstrated by a researcher. Turns out, all it takes for attackers to alter ...

Add Yahoo as a preferred source to see more of our stories on Google. An email hits your inbox from an unknown sender that includes a picture of your house and address, followed by a threat: “Don’t ...

According to Kaspersky telemetry, almost every second email – 44.99% of global traffic – was spam in 2025. Spam consists not only of unsolicited emails, ...

Etsy developers have been digging deep into how to make email responsive across clients, particularly as half the company’s email is read on mobile devices. “If you’ve ever written an HTML email, ...

In previous versions of Microsoft Outlook (the classic app), you could view the HTML code of an email by opening the email, right-clicking on it, and selecting “View source” from the context menu.