For more information, please visit the following pages:

• Thunderbird
• Mozilla Foundation
• Gecko

Latest user agents:

• Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101 Thunderbird/45.5.0
• Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101 Thunderbird/45.5.0 Lightning/4.7.5
• Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 Lightning/4.7.5.1
• Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.1 Lightning/4.7.5.1
• Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.5.0 Lightning/4.7.5
• Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:45.0) Gecko/20100101 Thunderbird/45.5.1
• Mozilla/5.0 (Windows NT 10.0; rv:45.0) Gecko/20100101 Thunderbird/45.5.0 Lightning/4.7.5