An Accidental IPv6 Experiment

I just took over some new voluntary responsibility of managing the paperwork for the support association („Förderverein“) of my daughter’s primary school. Trying to get an overview over the current topics, I flipped through the recent documents, when I found a printed e-mail from the school’s director. The most surprising thing about that e-mail was that I had never seen it before, although my name and correct e-mail address was clearly visible in the To: field.

I started to wonder: Had I received the message, archived and forgot about it? Was it blocked by the spam filter? Was there something wrong with my mail client? This is how the search started.

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