This is pretty weak, IMHO. You should at least use on-the-fly PGP encryption like Mike Cardwell detailed: https://grepular.com/Automatically_Encrypting_all_Inco

This is pretty weak, IMHO. You should at least use on-the-fly PGP encryption like Mike Cardwell detailed: https://grepular.com/Automatically_Encrypting_all_Incoming_Email https://grepular.com/Automatically_Encrypting_all_Incoming_E.... You basically just add the public keys to the exim account and it uses a transport filter to look them up and encrypt automatically. With a properly configured client, you'll never have decrypted data on disk.