Mail delivery failed: returning message to sender

Mail Delivery System Mailer-Daemon na orange.es
Sobota Září 18 13:20:13 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:

  dbrychta na gexpert.cz
    SMTP error from remote mail server after initial connection:
    host mailgw-zdc.vig.cz [185.52.218.10]: 554-mailgw-zdc.vig.cz
    554 Your access to this mail system has been rejected due to the sending MTA's poor reputation. If you believe that this failure is in error, please contact the intended recipient via alternate means.



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