Mail delivery failed: returning message to sender

Mail Delivery System Mailer-Daemon na orange.es
Sobota Září 18 12:31:56 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:

  ruml na mestskeknihy.cz
    SMTP error from remote mail server after RCPT TO:<ruml na mestskeknihy.cz>:
    host mx.stable.cz [95.168.198.204]: 550-rejected mail because 62.36.20.210 (ES) is in a black list at
    550-b.barracudacentral.org
    550 http://www.barracudanetworks.com/reputation/?pr=1&ip=62.36.20.210



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