[Users] Public key encryption... troubleshoot

[Paul]

On Fri, 19 Jun 2015 08:53:54 -0400
Reid Vail <rsv869 at runbox.com> wrote: 

> "Couldn't encrypt the email: Encryption failed, General error
> Use "Send queued messages" from the main window to retry."

Almost certainly a problem with your gnup-agent configuration. If
you're in luck then installing a pinentry program will fix it, such
as pinentry-gtk2.

Otherwise this may help:

http://www.claws-mail.org/faq/index.php/Plugins#How_do_I_configure_gpg-agent_and_the_PGP_plugin.3F

with regards

Paul