Digital Signatures

Differentiate your electronic business correspondence from unsollicited commercial mailings. Regain trust into your eMails. Send your messages in a way that your recipients can see whether the content has been modified and where they are sent from.



  • Server based signature service for your mails with your company or individual signature
  • Option: Automatic generation of individual QuoVadis signatures for all senders
  • Proof of integrity
  • Proof of origin of your mails
  • Better evidence at the court
  • No investments into hardware, no licences, no maintenance costs
  • Central rules for mail delivery will help to enforce corporate policy for email
      - Open / signed / confidential
      - Sender and receiver based
      - Block of messages (also based on content)
      - Footnotes depending on delivery method


  • Works with mostly all mailservers (Microsoft Exchange, Lotus Notes, Novell Groupwise, Sendmail, etc.)
  • Works with all mail clients (Microsoft Outlook, Outlook Express, Mozilla Thunderbird, Lotus Notes, Eudora, Pegasus Mail, Entourage, Groupwise, etc.)
  • No changes of the existing infrastructure (mail servers and mail clients)
  • to sign emails just use the Outlook Addin or directly the subject tags <s> or <PSPSigned/>



  • Differentiator of your business mail
  • Send digitally signed offers and invoices 
  • Central outgoing mail information flow control for your security officer


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