"Yeah, OK, so I uninstalled Avast, restarted the computer, launched TB and voila. Images are now loading when I click "Show Remote Content". "
</blockquote>
=== AVAST blocks getting email ===
* [https://support.mozilla.org/en-US/questions/1272646#answer-1268192 cannot receive email after Mac Mojave update]
== Bullguard ==