Installing and Using your Secure Email Certificate with Outlook Express 5 & 6 (PC)

Assigning your Certificate to your email account:

Then export it to a file using the following method:

  • Open Outlook Express
  • Select Tools from menu
  • Select Accounts from drop down menu
  • In dialog box that appears select Mail then select your relevant email account
  • Click Properties
  • Click the Security tab
  • Click Select Signing Cert. From the popup Certificate store box locate and select your Secure Email Certificate.
  • Click Select Encryption Cert. From the popup Certificate store box locate and select your Secure Email Certificate.
  • Click OK to return to Outlook Express

Signing an Email:

Signing an email ensures the recipient knows the email has come from you and informs him / her if it has been tampered with since being signed.

  • Compose your email and attach files as usual
  • Click Sign Sign button
  • Click Send button

The recipient of your email must have a copy of your Certificate in order to verify your signed email is legitimate. The easiest way of ensuring this is to automatically attach your Certificate to every outgoing email:

  • Select Options from Tools menu
  • Select Security
  • Click Advanced button
  • Check (place a tick in) Include my Digital ID when sending signed messages

Encrypting an Email:

Encrypting an email ensures that only the recipient may view the email content and any attachments. Note: in order to encrypt an email for the recipient you must have the recipient's digital certificate, and their digital certificate must be assigned to the relevant entry in your address book

  • Compose your email and attach files as usual
  • Ensure the recipient has a Digital Certificate and you have assigned the Certificate to their entry in your OE address book
  • Click Encrypt Encrypt button
  • Click Send button

Adding someone else's Certificate to your address book:

In order to automatically add someone's Certificate to your address book:

  • Select Options from Tools menu
  • SelectSecurity
  • Click Advanced button
  • Check (place a tick in) Add Senders Certificates to my address book

All incoming signed emails will add the Sender's Certificate to your address book