The only idea is, they have something which looks automatically for sender's pubkeys on keyservers oder anywhere else, no matter if useful/valid/expired or not and then encrypts against these keys. In the best case you should be able to decrypt this *.asc attachment with one of your keys? IIRC I had a similar scenario some years ago, don't remember whether this was an insurance company or a telecom provider or something else..... IIRC they encrypted anything, not just autoreplies, against the first best fitting pubkey they found on keyservers. I don't remember whether I could decrypt that stuff or not....

Regards

also Matthias :-)

Am 22.01.2025 11:32, schrieb Matthias Apitz:
Hello,

I asked an Insurance Company in its web pages for contacting me
and got the two attachments without any further text in the body of the
mail. What can or should I do to read the encrypted text?

Thanks

        matthias

----- Forwarded message from VHV Versicherungen <serv...@vhv.de> -----

Date: Wed, 22 Jan 2025 10:55:58 +0100
From: VHV Versicherungen <serv...@vhv.de>
To: "g...@unixarea.de" <g...@unixarea.de>
Subject: VHV – Automatische Eingangsbestätigung


----- End forwarded message -----

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