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Your Internet access service provider provides you with an IP address, which is needed to send data to your device. Only this service provider is able to assign your personal data to the used IP address.
It is common that the received IP address needed for the response is saved in log files by the webserver. My contracted webserver service provider (domainfactory GmbH) indicates that the log entries are kept for 3 days.
https://www.df.eu/de/support/df-faq/service-infos/datensicherheit/
Applies to the Windows Store apps:
Before installing and using the apps, you have read the privacy policy of the Windows Store and agreed to this.
No personal data is collected, stored, processed or sent by the apps themselves.
Personal information of received emails is used only in the context of the current request and will not be forwarded to third parties.
Received emails will be deleted within 3 months of reception. Regardless of this, you can contact for deletion.
For questions or problems using the apps: apps@ulrichlehmann.de
Please first ensure that the recent update is installed.