Import S/MIME Certificate - Step by Step

To use S/MIME, you must first import your certificate (.pfx or .p12 file) into eclipso Mail Europe. This guide will walk you through the process.
 

Prerequisites

  • You have received a valid S/MIME certificate from your certification authority
  • The certificate is in a .pfx or .p12 file format
  • You know the import password for your certificate
  • You have access to your eclipso Mail Europe account settings

Step 1: Open Settings

  • Click the gear icon (Settings) in the top right
  • Select Email from the menu on the left
  • Click Keyring

Step 2: Import Certificate

  • In the Own Certificates section, click Import Certificate
  • Click [ Choose File ]
  • Select your .pfx or .p12 file
  • Click [ Open ]

Step 3: Enter Password

  • A dialog opens with a Password field
  • Enter the import password (not your eclipso Mail Europe password!)
  • Click [ Import Certificate ]

Step 4: Confirmation

  • After successful import, you receive a confirmation message
  • The certificate appears in the list Own Certificates
  • You see: Subject: [Your Name/Email], Type: Type 2 (with private key)
  • ✅ Import successful!

What happens now?

After successful import:
  • Your private key is securely stored in eclipso Mail Europe
  • You can now sign emails
  • When you send a signed email, a public key (Type 1) is automatically created
  • You are ready to exchange with your contacts

Next Steps

After your certificate is imported:

Important Notes

  • Backup: Back up your certificate (.pfx/.p12 file) in a secure location
  • Password: Remember your import password - you'll need it later
  • Private Key: The private key is never sent to other people
  • Public Key: The public key is automatically sent with your signed emails
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