GMail + GPG/PGP (webmail ou Thunderbird) / OS X
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GPGTools is a collection of several softwares, bringing encryption/decryption and signing of e-mails and files, to you on your mac. (See Gpg4win if you use Windows.) The main goal is to bring OpenPGP - in the form of an easy installer package based on MacGPG - to Apple's OS X. Read the introduction , in order to get a detailed idea of how PGP works. The project section provides more information about the included applications and related projects.
Official Homepage | GPGTools (OpenPGP Tools for Apple OS X)
Enigmail is a security extension to Mozilla Thunderbird and Seamonkey. It enables you to write and receive email messages signed and/or encrypted with the OpenPGP standard. Sending and receiving encrypted and digitally signed email is simple using Enigmail. When starting it for the first time, you are guided through the basic setup. We also prepared a new users' guide that explains how to use OpenPGP.
Enigmail: A simple interface for OpenPGP email security
Qu'est-ce que FireGPG ? FireGPG est une extension Firefox sous licence MPL qui fournit une interface pour appliquer des opérations GnuPG au texte de n'importe quelle page : chiffrement, déchiffrement, signature et vérification de signature. Support de Gmail FireGPG ajoute des fonctionnalités à l'interface de Gmail 1 pour vous permettre d'utiliser GPG directement dans votre webmail. Des webmails supplémentaires seront probablement supportés dans le futur.
FireGPG - Bienvenue sur le site officiel de FireGPG !
doesn't support GMail anymore :'( by Nov 25
Comment crypter vos e-mails avec OpenPGP
D'un serveur Internet à l'autre, de fournisseurs d'accès à Internet (FAI) en FAI, les e-mails se déplacent sur Internet par le biais de copies successives d'un serveur Internet (ordinateur du FAI) sur un autre. Si vous habitez à Paris 6e et envoyez un e-mail à un ami qui habite à Paris 11e, voici les copies qui vont se créer : Votre ordinateur ( copie originale ) -> un premier ordinateur chez votre fournisseur d'accès ( copie 1 ) -> un second ordinateur chez votre fournisseur d'accès ( copie 2 ) -> un premier ordinateur chez le fournisseur d'accès de votre destinataire ( copie 3 ) -> un second ordinateur chez le fournisseur d'accès de votre destinataire ( copie 4 ) -> l'ordinateur de votre ami. Pour traverser trois arrondissements de Paris, ce e-mail a été inscrit au moins quatre fois sur quatre disques durs différents en autant de copies parfaites.
If you use Gmail as your email backend but prefer a good old-fashioned desktop email client for handling your day-to-day email, you're probably aware that many clients—like Outlook or Mail.app—don't play that nice with Gmail. Here's how to fix that. While Thunderbird no longer needs any extra work to become the ultimate Gmail IMAP client , mail clients, such as Mail.app or Outlook, do not exhibit normal behavior when using Gmail's servers. Gmail may have won our hive five for best email client, but there are still quite a few of you that preferred something like Outlook or Apple Mail. The trouble is, even though Mozilla has caught on and made Thunderbird integrate almost perfectly with Gmail, most other mail clients still don't work all that well with Gmail.
How to Make Gmail Play Nicely with Your Desktop Email Client
Enigmail Forum • View topic - Can't import hushmail key
I'm having trouble importing a friends PGP key from Hushmail. I have tried importing the key two ways, by copying it from the hushtools page into the clipboard, then importing it with edit->import keys from clipboard, and by adding ldap://keys.hush.com:389 to my list of keyservers and looking it up. Each time I get the same error:- I read that I have to disable "use to specify e-mail addresses" in advanced preferences to work with Hushmail, I tried that but I still get the same error.