Delivery report

[postmaster@qu.quackerservapi.live]

Hello, this is the mail server on qu.quackerservapi.live.

I am sending you this message to inform you on the delivery status of a
message you previously sent.  Immediately below you will find a list of
the affected recipients;  also attached is a Delivery Status Notification
(DSN) report in standard format, as well as the headers of the original
message.

  <cygwin@cygwin.com>  delivery failed; will not continue trying
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