There is a new business requirement for us to both send and receive encrypted emails with and without encrypted attachments. A new customer of ours will be sending us and expecting to receive emails and attachments that have been encrypted to a high standard. I have not used anything like this since college and the command line version of the then free PGP. Is PGP still the standard?
Can anybody offer a solution that must integrate with Exchange (not pop/smtp) and that is easy to use for non-technical staff.