Fuji Xerox ApeosPort-V C5580, Administrator'S Manual

Page: 401 / 797

Configuration of E-mail Encryption/Digital Signature
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Configuration of E-mail Encryption/Digital Signature
This section describes how to encrypt e-mails and how to attach a digital signature to e-
mails.
Installation Overview ..................................................................................................................................................................401
Step1 Configuration on the Machine......................................................................................................................................402
Step2 Configuration on Sender and Recipient .....................................................................................................................403
Installation Overview
To encrypt e-mails and attach a digital signature, configure the machine and your computer
as follows:
Note • To encrypt e-mails and attach a digital signature to e-mails between the machine and a computer, a
personal or device certificate for S/MIME of a recipient and the device certificate of the machine
must be set on the computer. To configure the digital signature, the device certificate of the
machine is necessary. Configure the following settings to the certificates.
- "e-mail address"
- If the certificate contains V3 extension "keyUsage", "digitalSignature" and "keyEncipherment"
must be asserted.
- If the certificate contains V3 extension "extendedKeyUsage", "emailProtection" must be set.
• Up to 100 addresses can be encrypted with S/MIME.
• For information on how to check it on Windows, refer to "How to check the certificate settings on
Windows" (P.391).

Configuration on the Machine
Set the certificate on the machine and enable the S/MIME communication.
Configure the following settings to set up a certificate on the machine.
 Configuring certificates by CentreWare Internet Services
- Set up HTTPS communications encryption settings, and then configure a certificate on
the machine.

Configuration on Sender and Recipient
To transmit e-mails encrypted by S/MIME and with digital signatures attached, register the
required certificate on equipment of a sender and a recipient.
The following shows the certificate settings necessary to encryption and digital signature.
Source Destination
Encryption Digital Signature
Certificate to be
registered to the source
Certificate to be
registered to the
destination
The machine Computer Personal certificate of the
computer Device certificate for S/MIME
of the machine
Another
machine Device certificate for S/MIME
of another machine Device certificate for S/MIME
of the machine
Computer The machine Device certificate for S/MIME
of the machine Personal certificate of the
computer
Another
machine Device certificate for S/MIME
of the machine Device certificate for S/MIME
of another machine