The system must have the PKI module installed.
Attach a digital signature to the email.
After the user uploads their personal digital certificate on the personal certificate management interface, the option to "Add Digital Signature" will appear on the compose email page. To include a digital signature when sending the email, please check this option.
After clicking "Send," the system will prompt you to enter the digital certificate password again. Once you have entered the password, click "Send" to attach a digital signature to the email.
Note: Digital certificates are usually protected by a password.
Encrypting messages using certificates.
When sending an email and wishing to encrypt the message using a certificate, please make sure you have uploaded the public key certificate on the certificate management page of the contact in the address book.
If the public key certificate has been uploaded in the contact's credential management, it will appear.
After entering the letter writing page, please select a contact from the address book that shows "encryptable" in the recipient field, and check "use certificate to encrypt the message" before sending out the encrypted email.
Note: When sending encrypted emails, you also need to upload your personal certificate in order to read the sent encrypted emails in the sent items folder.