> Thunderbird renders untrusted HTML content and therefore is subject to a steady stream of CVEs and must stay absolutely up-to-date with Gecko Thunderbird wil

> Thunderbird renders untrusted HTML content and therefore is subject to a steady stream of CVEs and must stay absolutely up-to-date with Gecko Thunderbird will prompt the user to decide whether they want to render remote content. I'm not sure if that's the default setting, but that's how it's worked for me for many years over multiple installations.