Information independance: how to import GMail onto your local pc

For different reasons it is wise to import the email you have on GMail to your local pc.
First install Thunderbird:

sudo aptitude install mozilla-thunderbird

Act upon the info given here.
So install the webmail plugin by going here and downloading the xpi file to a local folder (right click and save as). You first have to install the Webmail add on and after that the GMail add on (or Yahoo etc.):

1. In Mozilla Thunderbird, open the extension manager (Tools Menu/Extensions).
2. Click the Install button, and locate/select the file you downloaded and click "OK".

After you have installed both (restart Thunderbird each time) you can add your gmail account. In Thunderbird: edit, account settings, add account and provide the needed information.