| Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130804 Thunderbird/17.0.8 Lightning/1.9.1 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.18) Gecko/20110617 Thunderbird/3.1.11 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Thunderbird/128.12.0 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.18) Gecko/20110617 Lightning/1.0b2 Thunderbird/3.1.11 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.15) Gecko/20101027 Lightning/1.0b1 Thunderbird/3.0.10 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; Linux x86_64; rv:115.0) Gecko/20100101 Thunderbird/115.9.0 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 | Linux Operating System: Linux |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 | Linux Operating System: Linux |
| Mozilla/5.0 (X11; Linux x86_64; rv:115.0) Gecko/20100101 Thunderbird/115.2.0 | Linux Operating System: Linux |
| Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 Lightning/4.0.2 | Windows 8.1 Operating System: Windows 8.1 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 Lightning/4.0.2 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-GB; rv:1.8.1.14) Gecko/20080421 Thunderbird/2.0.0.14 | MacOSX Operating System: MacOSX |
| Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.6) Gecko/20070728 Thunderbird/2.0.0.6 | Windows XP Operating System: Windows XP |
| Mozilla/5.0 (Windows NT 6.1; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.2; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.2.0 | Windows 8 Operating System: Windows 8 |
| Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.2.20) Gecko/20110805 Thunderbird/3.1.12 | Linux Operating System: Linux |
| Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.6) Gecko/20050317 Thunderbird/1.0.2 | Windows XP Operating System: Windows XP |
| Mozilla/5.0 (Windows NT 6.2; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.0 | Windows 8 Operating System: Windows 8 |
| Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.23) Gecko/20090817 Thunderbird/2.0.0.23 | Linux Operating System: Linux |
| Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.17) Gecko/20080914 Thunderbird/2.0.0.17 | Windows XP Operating System: Windows XP |
| Mozilla/5.0 (Windows NT 6.1; rv:6.0.1) Gecko/20110830 Thunderbird/6.0.1 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.2.15) Gecko/20110303 Lightning/1.0b2 Thunderbird/3.1.9 ThunderBrowse/3.8 | Windows Vista Operating System: Windows Vista |
| Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 Lightning/68.6.0 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 Lightning/68.2.2 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.1; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.1; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 Lightning/4.7.4 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 Lightning/68.6.0 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 Lightning/68.6.0 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 Lightning/68.5.0 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 Lightning/68.6.0 | Windows 8.1 Operating System: Windows 8.1 |
| Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 Lightning/68.5.0 | MacOSX Operating System: MacOSX |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 Lightning/68.5.0 | Windows 8.1 Operating System: Windows 8.1 |
| Mozilla/5.0 (Windows NT 6.3; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 Lightning/68.4.2 | Windows 8.1 Operating System: Windows 8.1 |
| Mozilla/5.0 (Windows; U; Windows NT 5.1; af; rv:1.9.2.28) Gecko/20120306 Thunderbird/3.1.20 | Windows XP Operating System: Windows XP |
| Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 Lightning/68.5.0 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 Lightning/68.5.0 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 Lightning/68.5.0 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 10.0; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 Lightning/68.4.2 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 Lightning/68.4.2 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 6.1; rv:68.0) Gecko/20100101 Thunderbird/68.4.2 Lightning/68.4.2 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (X11; Linux i686; rv:60.0) Gecko/20100101 Thunderbird/60.7.1 Lightning/6.2.7.1 | Linux Operating System: Linux |
| Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 Lightning/6.2.6.1 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 | Windows 10 Operating System: Windows 10 |
| Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 Lightning/6.2.9.1 | Windows 7 Operating System: Windows 7 |
| Mozilla/5.0 (Windows NT 10.0; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 Lightning/6.2.9.1 | Windows 10 Operating System: Windows 10 |