What happens to an S/MIME-encrypted email message when the certificate used to encrypt it expires? [more inside]
posted by flabdablet on Aug 13, 2009 - 5 answers

I occasionally need to email PDFs and Word docs that contain confidential information. My clients claim their email is "secure" and don't see the need for any encryption or any approach other than me emailing them the files. What can I do? [more inside]
posted by PatoPata on Nov 26, 2008 - 17 answers

Help in briefly listing E-Mail Encryption options. Is this Wikipedia list of protocols a good start? [more inside]
posted by marxchivist on Oct 14, 2008 - 8 answers

Is there any simple way to encrypt the information in a web form and deliver it via email? [more inside]
posted by Plug Dub In on Aug 31, 2007 - 16 answers

Why did email encryption never catch on? Is it a matter of laziness or are there sinister conspiracies at work?
posted by skryche on Nov 10, 2005 - 29 answers

What's the absolute simplest way for two or more people to share encrypted information via email, either in the text body or as a file attachment? [more inside]
posted by taz on Oct 3, 2005 - 13 answers

So I've gone to www.thawte.com/email and got myself a Freemail certificate and imported it into Thunderbird, and my friend is about to do the same thing, and we want to exchange encrypted mails. What do we actually DO with our shiny new certificates? [more inside]
posted by flabdablet on May 1, 2005 - 11 answers