In order to communicate with us in encrypted form, you need a digital certificate first.

  1. Of course, you can also purchase it from us. (Buy e-mail certificate). To your private key you will receive a public key from the trustcenter.
  2. You send an e-mail to the PSW GROUP (e.g. You sign this e-mail with your e-mail certificate. This is how we get your public key.
  3. Your public key will be stored on our e-mail gateway
  4. PSW GROUP will send you a signed e-mail back. Our public key will be automatically stored on your system.
  5. After the public keys have been exchanged, further communication can be encrypted!

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