Dispatch:
1) ‘Encrypted sending, without registration’: You can download a copy of your message after sending
2) ‘Send encrypted, with registration’: An archive copy and receipt stating that you have sent an encrypted message will be sent to the specified email address (if you are a registered user)
3) ‘Encrypted sending, with registration and electronic signature’: You need a certificate to sign your message in PDF format; an archive copy and receipt stating that you have sent a registered and electronically signed message will be sent to the specified email addess (if you are a registered user)