Thunderbird™ Portable - real email, on the go™

Thunderbird Portable is the popular Mozilla Thunderbird email client packaged as a portable app, so you can take your email, address book and account settings with you. You can also get it with GPG and Enigmail preconfigured to encrypt and sign your email.

http://portableapps.com/apps/internet/emai...ble_thunderbird

Grand Dad

Mozilla Thunderbird, Portable Edition 2.0.0.19

http://portableapps.com/apps/internet/thunderbird_portable

http://www.winpenpack.com/main/download.php?view.30

Mozilla Thunderbird, Portable Edition 2.0.0.22

http://portableapps.com/apps/internet/thunderbird_portable