Zuletzt aktualisiert am: February 15, 2019
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PDF conversion as part of Content Disarm and Reconstruction (CDR), converts Microsoft Word, Microsoft Excel and PDF documents into secure PDF files by removing any active content. The PDF file can then be opened without any concerns, with the original file either left attached to the email or removed. CDR is a feature in NoSpamProxy Protection and in conjunction with NoSpamProxy Large Files provides an optimal way to disarm unsafe documents and retain the original files.

CDR is configured in the “Content filter actions” and then applied to the corresponding emails via the “Content filters”. A training video on the content filters can be found at https://www.nospamproxy.de/de/support/trainingsvideos/ (German only).

This conversion process is very time-consuming and not all documents can be converted. We have built in a protection mechanism so that the unsafe attachments are not delivered, even if the conversion fails.

  • If only Protection, but not Large Files, is licensed, the email for which the conversion did not work is first stored under “Monitoring > Emails on hold” and the configured administrator is informed. The administrator then has the task of checking the email and can then either download it as an EML file and forward it via Outlook or deactivate/change the content filter for this email for a limited time and force delivery again.
  • If Protection and Large Files are licensed, the original file will be uploaded to the Web Portal if the conversion fails (if desired even if the conversion was successful), but it will be locked there, so that it must also be released by the administrator, deviating from the settings for the successful conversion.
    The email itself is delivered to the recipient, with the corresponding information for downloading, but without the converted PDF file, as this was not possible.

This protective mechanism cannot be changed or influenced.

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