Mail delivery failed: returning message to sender
Mail Delivery System
Mailer-Daemon na orange.es
Pondělí Srpen 23 05:58:35 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:
mikoml na atas.cz
SMTP error from remote mail server after RCPT TO:<mikoml na atas.cz>:
host mail.atas.cz [80.188.198.30]: 550 5.1.1 <mikoml na atas.cz>:
Recipient address rejected: User unknown in local recipient table
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