HomeWeb Management ToolS/MIME Communication Settings
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  • [Utility]
    • [Administrator Settings]
      • [Network Settings]
        • [E-Mail Settings]
          • [S/MIME Communication Settings]

Configure settings to enable use of S/MIME on this machine. This function enables E-mail encryption and addition of a digital signature, and enhances E-mail security.

SettingsDescription
[ON]/[OFF]
Select whether to use S/MIME.
[OFF] is specified by default.
[Digital Signature]
To add digital signature when sending E-mails, select a method to add it.
  • [Do not add signature]: Does not add the signature.
  • [Always add signature]: Always adds the signature. The digital signature is automatically added without performing special setting before sending an E-mail.
  • [Select when sending]: The user must select whether to add digital signature before sending an E-mail.
[Do not add signature] is specified by default.
[E-Mail Text Encryption Method]
Select the method to encrypt the E-mail text.
[3DES] is specified by default.
[Print S/MIME Information]
Select whether to print S/MIME information when this machine receives an S/MIME E-mail.
[NO] is specified by default.
[Automatically Obtain Certificates]
Select whether to automatically obtain certificate from the received E-mail.
The obtained certificate is additionally registered in the E-mail address that matches the E-mail address described in the certificate.
[NO] is specified by default.
[Certificate Verification Level Settings]
When verifying the obtained certificate while [Automatically Obtain Certificates] is set to [Yes], select an item to be verified.
  • [Expiration Date]: Confirm whether the certificate is within the validity period. [Confirm] is specified by default.
  • [Key Usage]: Confirm whether the certificate is used according to the intended purpose approved by the certificate issuer. [Do Not Confirm] is specified by default.
  • [Chain]: Confirm whether there is a problem in the certificate chain (certificate path). The chain is validated by referencing the external certificates managed on this machine. [Do Not Confirm] is specified by default.
  • [Expiration Date Confirmation]: Confirm whether the certificate has expired. [Do Not Confirm] is specified by default.
[Digital Signature Type]
To add a digital signature when sending E-mails, select its authentication method.
[SHA-1] is specified by default.