Appendix - Importing Email Certificate for Encryption

Follow the instructions to import the downloaded certificate to your email client for encrypting the emails. Select your mail client from the list below to go straight to the instructions.

Microsoft Outlook 2010:

Add merchantlist@comodo.com as a new contact and import the certificate.

  • Select New Items from the Home tab and click New Contact
  • Enter the name as 'PCI Control Center' and email address as 'merchantlist@comodo.com'
  • Click Certificates from the menu bar
  • Click Import, navigate to the location of the downloaded certificate and select the certificate
  • Click Save and Exit
  • Create a new mail addressed to merchantlist@comodo.com and attach your spreadsheet
  • Click Options, click the Encrypt button then Send

Windows Live Mail:

Add merchantlist@comodo.com as a new contact and import the certificate.

  • Select Items from the Home tab and click Contact

The Add a contact dialog will appear.

  • Enter the name as 'PCI Control Center' and email address as merchantlist@comodo.com
  • Click IDs from the left and click Import
  • Navigate to the location of the downloaded certificate and select the certificate
  • Click Add contact
  • Create a new mail addressed to merchantlist@comodo.com and attach your spreadsheet
  • Click Options, click the Encrypt button then Send

Mozilla Thunderbird:

  • Click Tools > Options from menu bar
  • Select Advanced tab from the Options dialog
  • Select the Certificates tab and then click View Certificates button.

The Certificate Manager dialog will open.

  • Select the People tab and click Import
  • Navigate to the location of the downloaded certificate and select the certificate

The certificate will be imported.

  • Create a new mail addressed to merchantlist@comodo.com and attach your spreadsheet
  • Click the drop-down beside Security and choose Encrypt This Message then click Send

Mac OS X Mail and Apple Mail:

  • Click Applications > Utilities > Keychain Access
  • Click Login from the left
  • Click File > Import Items and navigate to the location of the downloaded certificate and select the certificate

The certificate will be imported.

  • Create a new mail addressed to merchantlist@comodo.com and attach your spreadsheet
  • Click the Encrypt icon that appears in the compose window and then click the Send button