4d412336_on___SecureLine___How_it_Works__Encryption_Option
[0] 2. [Discussion] PGP or S/MIME will be used for delivery if the recipient is an active LuxSci user with a PGP and/or S/MIME certificte in his/her LuxSci profile. Getting the public key and determining use of S/MIME vs PGP will be taken care of by SecureLine and the recipient's personal LuxSci preferences. [Encryption Option] 
PKI
LuxSci - HIPAA HITECH Compliant Email Encryption - SecureLine - How it Works
Encryption Option