Digitally signing emails with CAC on Evolution

First, set it up with Thunderbird:

https://help.ubuntu.com/community/CommonAccessCard

Make Evolution use the stuff you imported with T-bird

1. cd ~/.mozilla/firefox/*.default
2. cp cert8.db key3.db secmod.db ~/.evolution/

('Edit/Preferences.../Certificates/Authorities tab').
Select each individual certificate (ie "CA-18")

1. Click the 'Edit' button
2. Select the boxes for both trust to ID sites
3. Trust to ID email users.
4. Do this for all the certificates under the U.S. Government heading

Select the appropriate certificate for signing and encrypting

1. From 'Edit/Preferences', click on 'Mail Accounts', select your previously configured AKO/DKO account (either POP or IMAP)
2. Click the 'Edit' button
3. Click the 'Security' tab
4. Under the 'Secure MIME (S/MIME)' heading, select both the signing and encryption certificates, and any of the option check boxes desired.

To compose message:

1. Pull down 'Security' menu
2. Select 'S/MIME Sign' and/or 'S/MIME Encrypt' as appropriate.