Set S/Mime - Dell C5765dn Installation And Configuration Manual

2 Installation

Set S/MIME

Enable the S/MIME communication to use the e-mail encryption and digital signature
features. To use S/MIME on the machine, a certificate issued by another CA is
required.
Creating a Certificate Signing Request (CSR)
1
Click [Security] on the [Properties] screen.
2
Click [Machine Digital Certificate Management].
3
Click [Create New Certificate].
4
Select [Certificate Signing Request (CSR)] and click [Continue].
5
Make the following settings and click [Apply].
• 2 Letter Country Code
• Organization Name
• Organization Unit
Note
6
Click [Download] to save the CSR.
7
Email the file to a trusted certificate authority to be signed.
Uploading a certificate
When a signed certificate is received back from a trusted certificate authority, you can
upload the certificate to the machine.
Note
1
Click [Security] on the [Properties] screen.
2
Click [Machine Digital Certificate Management].
3
Click [Upload Signed Certificate].
4
If the certificate is password protected, type the password and retype to verify.
5
Click [Browse], navigate to the signed certificate in ".crt" format, and click [Open].
6
Click [Import].
Specifying a certificate to use
1
Click [Security] on the [Properties] screen.
2
Click [Certificate Management].
3
Select [Local Device] for [Category] and [S/MIME] for [Certificate Purpose].
Note
4
Click [Display the list].
5
Select a certificate from the list and click [Certificate Details].
6
Click [Use this certificate].
18
• Confirm that the e-mail address displayed here is the same with the machine's e-mail
address configured in "Set SMTP" (P.17).
• The signed certificate must match the CSR created by the machine.
• You must import certificates in the DER encoded PKCS #7 format only.
• Set [Certificate Order] as necessary.