Mail delivery failed: returning message to sender
Mail Delivery System
Mailer-Daemon na orange.es
Neděle Říjen 17 19:19:55 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:
winterjan na srznam.cz
SMTP error from remote mail server after RCPT TO:<winterjan na srznam.cz>:
host mx00.udag.de [62.146.106.39]: 550 5.7.1 Recipient address rejected:
User unknown in local recipient table
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