Mozilla's beloved mail client has a strange default setting for e-mail replies. Here's how to make it behave.
Mozilla, the open-source organization responsible for Firefox, joined other major technology companies today to protest anti-piracy legislation SOPA.
Here's why the letter "J" inexplicably appears in some messages, and how to customize Mozilla's Thunderbird email client.
Firefox 9 has yet to be completely offered as an update to all users, according to notes from a company meeting.
Mozilla advances its plans to release a version of Firefox tailored for organizations whose IT departments manage it for their employees from a central console.
This popular e-mail client suffers from one incredibly annoying feature deficit. Here's how to fix it.
Tech companies go to painstaking lengths to keep new products confidential with "secret" product codenames. Here's an insider's look at some of the most unusual codenames.
Google's latest agreement with Mozilla will ironically fund three new areas of competition between Google and Mozilla.
A day after it shipped Firefox 9, Mozilla quickly released an update after backing out a bug fix that was causing some Mac, Linux and Windows browsers to crash.
To Google, Firefox is reportedly worth $300 million/year for the next three years.