app-crypt/gnupg-2.0.13 USE='bzip2 ldap nls smartcard -adns -caps -doc -openct -pcsc-lite (-selinux) -static' 3,855 kB app-crypt/pinentry-0.7.6 USE='gtk ncurses qt3 qt4 -caps -static' 464 kB # emerge -p pinentry gnupg gpgme ca-certificates dirmngr claws-mail I've tested this howto with the following package versions: pinentry, gnupg, gpgme, dirmngr (for CRL support), ca-certificates (and openssl) in recent versions.

you can get free (personal use) certificates from Comodo at )

most recent S/MIME plugin/package, or 'smime' USE flag on Gentoo.

recent Claws Mail version, recommended: latest available version (v3.7.3 at the time of writing this), because many fixes for S/MIME have been incorporated lately.

I won't use OCSP support because of privacy issues, Is enabling the use of certificate revocation lists (CRL) which didn't work

Some things of this howto were also somewhat out of date and many things wereīased on Thawte, it's time for an update. It isīased on Gentoo Linux but should be working fine on every other distribution ifĪs of 16th November 2009 Thawte discontinued their free S/MIME certificates. This howto describes configuring S/MIME for Claws Mail which uses GnuPG.

1.6 Working with Claws Mail S/MIME and problems/bugs.

1.4.1 Importing Thawte CRL and testing CRL support.

1.3 Importing S/MIME certificates into gpgsm.

1.2 Configuring & running the GPG agent.

Gpg mail gmail