On 2015-02-15 John wrote: > A couple of the servers I support are medical offices, and for > patient confidentiality reasons they need to send email out > encrypted. > After a lot of discussion they have come to the conclusion that in > order to avoid accidentally sending confidential data unencrypted, > all email must be encrypted. > What they would like is a filter on outgoing email that checks for > encryption and refuses anything not encrypted. They need to err on > the side of caution.
A couple years ago me and a friend wrote a proxy for a similar purpose: http://www.planetcobalt.net/sdb/crypter.shtml Run it as a daemon and configure it as a relayhost for your Postfix. Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky