Mail delivery failed: returning message to sender

Mail Delivery System Mailer-Daemon na
Pátek Říjen 8 09:15:36 CEST 2021

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  info na
    SMTP error from remote mail server after end of data:
    host []: 550-This message <F7F244171CC8E635E9ECA5191D04E01D na> was classified as
    550 SPAM.

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