A rich hosted Exchange environment for every user without having to manage a server.
Email sent from this domain has records showing Office 365 usage.
The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.
The web server is located in Germany.
Last technology detected on Tuesday, September 30, 2025. We know of 4 live technologies on heep-fenster.org and historical technologies potentially back to 1985. Link to this Page
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