> > header __CT_ENCRYPTED Content-Type =~ > /^multipart\/(?:x-)?(?:pgp-)?encrypted|application\/(?:x-)?pkcs7-mime/ > > What's to stop the spammer using a very short public key? The overhead > for the victim would be minimal
It wouldn’t even need to be a valid key, just adding the right „markers“ would be sufficient. I don’t believe that many mails would be lost due to actually invalid signature and/or encryption. — Matthias
smime.p7s
Description: S/MIME cryptographic signature
