Mail delivery failed: returning message to sender
Mail Delivery System
Mailer-Daemon na orange.es
Pátek Srpen 20 17:10:27 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:
romanxl na o2active.cz
SMTP error from remote mail server after RCPT TO:<romanxl na o2active.cz>:
host smtp-in.quick.cz [90.176.151.97]: 554 5.7.1 Service unavailable; Client host [62.36.20.208] blocked using bl.iol.cz
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