Re: [email@example.com: Email sent by you blocked because it contains encrypted data.]
Joseph Carter wrote:
> They then need to set up their software properly. This message isn't
> encrypted, but it certainly is signed.
Note that it _is_ possible to hide data in a signature.
I don't understand, though, why they are concerned about encrypted data
coming in. Stop it from going out, sure -- they may be worried about
information leaks or something. But why filter incoming mail?