Graphical encryption tools: FireGPG (Firefox plugin), Thunderbird + Enigmail, bestprivacytools.com.

Also see and annotate console gpg mail readers and secure gpg webmail services. Thanks!

KEY ID
0F08950C

Fingerprint
1B65 90DC 5153 7F84 AC27 2EEA 79F9 3EE6 0F08 950C

-----BEGIN PGP PUBLIC KEY BLOCK----- Version: SKS 1.0.10 mQINBE87pGwBEADH/ydU/gWvNlHiUS50UdxLJfEo/uD7cMR6uIg2TtV6e/dgGKfr/x0q7uw3 JLIPFMFvmmHxofc/NIBjzOd2Qpo6vhBG3zpWGBD1R0to8v6p9kreFkUZPoQYJhH8KD7f4CV8 JChV2MKTIKtfsx+dVxcZfcJXcfXgXyDg7zB6RlejTlHaDUnaYJe1eds0uH3yTc9VYtHucrbu BhcFt+htW2GbqhWcRApwYmjNo1c/eTAaIM6JDDKMoJdl2ZI7giOxLaUQXqV9RvLfPswGlfbS zW54SEsz0db1HtpJ9srsxa6k3PxTLLwGFR6HgTSOkCAfulXf1bcr3+6WGzI2HbSjxe8G7BGr TcBM9yQBIl7K2sPX5T/4xnPUnc0L9vFXStvbscrB3iTEgxmAGFHU8wMlWIkFb0vLime8DHm2 Kqub0xQDRtNlnhFucHN0/SfRDRaUz05zOIO+1HxHCL3KBNht5aNZ3ibTSL0RN+x9uP5NP+vG h+dEnmC/fJLD2CdX2cm8O6v8AuyhRVqc+hAjfXgXC7M6XHhEycv+KbfeOOCafAxWkMINWzyN zhM3KwbVpFKztx2JrIoFp0UaY5biBQKFp6oHpSttN3tg0eqDBrNRHmsP1/0zFUwc61E6Bmwd 6yhMcc18rGR9jcYK+0gfiNKNmPq4RD5/+uvz6Y+ch2pJnGgy7QARAQABtDNrYXJkYW4gKGth cmRhbi5saXZlYW5kbGVhcm4uZXUpIDxrYXJkYW5AcmlzZXVwLm5ldD6JAj4EEwECACgFAk87 pGwCGwMFCQDtTgAGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEHn5PuYPCJUMOPIP/1zU 2137yPNzU+JkTKmMwBtPhjDkSYl0dlpImYOXM9H7+Sj8rPjdJuH6sjbwlXVZEI4oZ5dbS71P Q26CyJR2mcI1viqrMBVHwJs+q6t5uqb1yV3vIVMiStARXiR2MD4fNTDMPdTHZLZYMt6W2/Sy IoJ6a60qk2eGky4/S5jMx8ceEe/Ak9HfvEIXXPE83FngJ9P7n9YUSFX4GIlyuRwuLVLFbj5g EmDkpmv8F4ePEbtdZQ4Fmx6t71UBdMr0/pqAtNfPb/isTky+om8NTreoMYXxeE8nYxy+Rt+D /kCMxqCgPZl4fpUkJoEfoAU/Oir41Hb/rW8qMm3cosVG3sw0qLFrO5PDK2tz5Qr2SRtli8l8 xS5oU/ZwjBaYVyPDcodGHJyQIh+DljDxe8nM7ioP0gf7DmggjQhrWInbcw3UJD2HY6Ctjqw0 9+CA3RBPu9IEcAK94JV+yVsQtJe3ZbWq/1ROIE5b146eaQkp6Gx+JywGyJfn+n5qJXC4NJ4o SHD1iYzmKp58EHTZl1xBybVnI9k4ReJ5IOK9Vu5VWLxIHOy35dUZsa2KaHyXngoJZKqXmLb4 w8gnuXWKCGckREpXUr54dkZUQOTmyY0k4dUu6ZPVyjFpvNy0gItecs5Lm7zi/Gt8L4XevULU CSmQcxx6brkpA3weMqnzfiltrbTGhQ8FuQINBE87pGwBEADALXGrFtcLChv4QSMu7COWLl3H /qd9+2zVwHwPAgT/MsHOrUV9EBW6SvaUlYYyNqybeabke4sluwbxS8N8uSNm6KXl6HT1vcu1 IY4HfSl1qhrUYHI9Fd4IpZnMzVr/WNmvmeyy9HYIhcKlUJ7OboEhtqxEfPChlGeCOSum7DRa VHgPdV4c9e5JsvE2nU8XNPMc9vKr2UyBO9S9MVUeZJVT5SYPvx/94jBQ+W8eIpyFzg4GnjS9 Fz5R8jOyiyVAwtcpCT+hu0HDD0YfM5m/7ynQBGpMojrdaC3sGCwVIXnq+rN97Henf0FibZuy O/v53ROS9PheV3ZLeA6JEdx0jYRx1LDlqaPK0gGOYVbY+YX/xpEYYYJk4WXGUoB5C7/BfWR7 E3xL9QMqtT88YtY9gObf59yoxHgLtoW5bHTAIor7JGjJWCg/T+LqqRteC+S0tHB8mXmRSOms fuD1rZq+wuJm4AnUetXt4jhA+Zkku6Pmty4MOng+C+g9+3KA0ZGhaEStRhW7vxr1SjvBwn2v 54WfAxDB7O5g+XiNAhq5RqMieyjFR1Md9RtO9levKPwN7P0S9YkGR1l3BZFhAnAetljnUJui OVLEevuU2EKKuqz6lC5VVk+3/g70cixULZkbRYg0nCrXRBnjAzAuQGacw/FYlsKeDyggExpe 2zVKdBZWXwARAQABiQIlBBgBAgAPBQJPO6RsAhsMBQkA7U4AAAoJEHn5PuYPCJUM9xsP/i4Y 2SLlz75d5iUYAVoydEhXBLZiRwDh1+Jqg/cLdEMDtLrx6oHhyVIRMiL79ooJFntOrfkFGpOa dp/OR4bcO4ZBxnooiukL9LaSZBE3wbeNhgvqRtTsqVPvKRXg7AL1Ja+DDN89BxuJkT7+sJkW Gg4RoH/po84cw/jYaKPv9XeWNOkxqaBbOyDLZiXXwpyRWfNWS+ddXPy5E56GY04G9Py5XDjN rpq7ZDIne4ajt/ZeIcu6PueZUTZh8dX2ZehBWWRQWp03wze+4uBgcYGpwm6YWfVafU8XHcT+ ZoF8moKHNbzd6d/hj+11+ng/JlMpSjwb/uN4OXwD31A4MF1O4Xg/6oCdhEnvq1s9b0Q+IjGZ /vPpGTaNz6i6f17F6IS2kDAn2DVL0bDUp6vddrCmNBapJChbiq2kM6166P3o142rFmR6KaDR AbM7A6/wruKMWOfEingLwcXNVX9TUpLFMNU7nY3eru46xnzCvAYr5ZvcdJm4/AANBRgcNsyv uRddix7JHB84kpF9PgtOMiLkzb3cgJVjJrJN/lqQ/dxXF9UaGtIVdkO/9ue1rUdWDJ09BDo8 ttkyMaFBfBZFSwEtlm+FWlMP2sOjhIOB3jsdH9xdTJNFN/CyM/juoPUmP16LLitG1LXtYpF9 ZykunfmS8G8MGxZPh0yhwPL38bg9asA2 =bQ+N -----END PGP PUBLIC KEY BLOCK-----

short gnupg howto

Please note that there are more comprehensive gpg introductions on the net. This is mine:

1. install gnupg
2. get and import my key: $ gpg --import 0F08950C.asc gpg: key 0F08950C: public key "kardan (kardan.liveandlearn.eu) " imported gpg: Total number processed: 1 gpg: imported: 1 (RSA: 1) or use the search command: $ gpg --search 0F08950C gpg: searching for "0F08950C" from hkp server keys.gnupg.net (1) kardan (kardan.liveandlearn.eu) 4096 bit RSA key 0F08950C, created: 2012-02-15 Keys 1-1 of 1 for "0F08950C". Enter number(s), N)ext, or Q)uit > If there is no keyserver set: $ echo keyserver hkp://keys.gnupg.net" >> ~/.gnupg/gpg.conf or add --keyserver hkp://keys.gnupg.net to every --search and --send-keys command.
3. get the signature file to verify the key: $ gpg --verify 0F08950C.sig 0F08950C.asc gpg: Signature made Wed 15 Feb 2012 02:34:36 PM CET using RSA key ID 0F08950C gpg: Good signature from "kardan (kardan.liveandlearn.eu) " gpg: aka "[jpeg image of size 4512]" $ gpg --fingerprint 0F08950C pub 4096R/0F08950C 2012-02-15 [expires: 2012-08-13] Key fingerprint = 1B65 90DC 5153 7F84 AC27 2EEA 79F9 3EE6 0F08 950C uid kardan (kardan.liveandlearn.eu) uid [jpeg image of size 4512] sub 4096R/8364396E 2012-02-15 [expires: 2012-08-13]
4. Sign the key and publish how much you trust me in beeing careful about key signing: $ gpg --sign-key 0F08950C gpg: checking the trustdb gpg: 3 marginal(s) needed, 1 complete(s) needed, PGP trust model gpg: depth: 0 valid: 1 signed: 1 trust: 0-, 0q, 0n, 0m, 0f, 1u gpg: depth: 1 valid: 1 signed: 0 trust: 1-, 0q, 0n, 0m, 0f, 0u gpg: next trustdb check due at 2012-08-13 pub 4096R/0F08950C created: 2012-02-15 expires: 2012-08-13 usage: SC trust: unknown validity: unknown sub 4096R/8364396E created: 2012-02-15 expires: 2012-08-13 usage: E [ unknown] (1). kardan (kardan.liveandlearn.eu) [ unknown] (2) [jpeg image of size 4512] Really sign all user IDs? (y/N) $ gpg --edit-key 0F08950C pub 4096R/0F08950C created: 2012-02-15 expires: 2012-08-13 usage: SC trust: unknown validity: unknown sub 4096R/8364396E created: 2012-02-15 expires: 2012-08-13 usage: E [ unknown] (1). kardan (kardan.liveandlearn.eu) [ unknown] (2) [jpeg image of size 4512] gpg> trust pub 4096R/0F08950C created: 2012-02-15 expires: 2012-08-13 usage: SC trust: unknown validity: unknown sub 4096R/8364396E created: 2012-02-15 expires: 2012-08-13 usage: E [ unknown] (1). kardan (kardan.liveandlearn.eu) [ unknown] (2) [jpeg image of size 4512] Please decide how far you trust this user to correctly verify other users' keys (by looking at passports, checking fingerprints from different sources, etc.) 1 = I don't know or won't say 2 = I do NOT trust 3 = I trust marginally 4 = I trust fully 5 = I trust ultimately m = back to the main menu Your decision? 5 Do you really want to set this key to ultimate trust? (y/N) y pub 4096R/0F08950C created: 2012-02-15 expires: 2012-08-13 usage: SC trust: ultimate validity: unknown sub 4096R/8364396E created: 2012-02-15 expires: 2012-08-13 usage: E [ unknown] (1). kardan (kardan.liveandlearn.eu) [ unknown] (2) [jpeg image of size 4512] Please note that the shown key validity is not necessarily correct unless you restart the program. gpg> save $ gpg --send-keys 0F08950C gpg: sending key 0F08950C to hkp server keys.gnupg.net Thanks!
5. Sit back and have some mate, guarana or what is good for you.

The last step is obligatory.