Configuration of E-mail Encryption/Digital Signature
527
• Certificate Auto Store
Select whether to automatically store the certificate when receiving an e-mail with an
S/MIME certificate attached from an address registered in the Address Book.
• Receive Untrusted E-mail
Set whether or not to receive untrusted e-mails such as an e-mail with expired certificate
attached or no certificate attached.
• Digital Signature - Outgoing E-mail
Set whether to always attach a digital signature to an outgoing e-mail or to select a digital
signature when sending e-mail from the machine.
• Receive Untrusted Internet Fax
Set whether or not to receive untrusted Internet faxes such as an e-mail with expired
certificate attached or with no certificate attached.
• Digital Signature - Outgoing Internet Fax
Set whether to always attach a digital signature to an outgoing Internet fax or to select a
digital signature when sending Internet fax from the machine.
4) Click [Apply].
Step2 Configuration on Sender and Recipient
To transmit e-mails encrypted or with digital signature attached, a device certificate and a
personal certificate must be registered with each machine.
This section describes certificates required for destination and source, and registration
procedures.
Note • Required certificates include a trusted root certificate authority and all intermediate certificate
authorities that are registered in the path of a certificate to use.
When source is the machine and destination is a computer
The personal certificate of a computer must be registered on the machine. And the device
certificate of the machine must be registered on a computer.
To register the computer's personal certificate, use Dell Printer Configuration Web Tool.
There are two methods to register the machine's device certificate to a computer:
• Send an e-mail with S/MIME digital signature to a computer from the machine and
register it to the certificate store of an e-mail application in the computer.
To send an e-mail with S/MIME digital signature, select [Always add signature] or [Select
during send] for [Digital Signature - Outgoing E-mail] under [Tools] > [System Settings]
> [Connectivity & Network Setup] > [Security Settings] > [S/MIME Settings] in
advance.
• Export the certificate of the machine to a computer using Dell Printer Configuration Web
Tool, and register it to the certificate store of an e-mail application in the computer.
For information on how to import and export a certificate using Dell Printer Configuration Web Tool,
refer to "Importing/exporting a certificate using Dell Printer Configuration Web Tool" (P.528).
For information on how to register a certificate to the certificate store of an e-mail application, refer
to the manual of your e-mail software.
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