I think you should give instructions on how to send mail without your site anyway, if someone doesn't want you to read his message (knowing that it still will b

I think you should give instructions on how to send mail without your site anyway, if someone doesn't want you to read his message (knowing that it still will be read by the prison staff). Kudos on your initiative: you might want to get in touch with the freejeremy.net staff, for one, that could be interested in using your project.