Mail delivery failed: returning message to sender
Mail Delivery System
Mailer-Daemon na orange.es
Sobota Srpen 21 13:36:05 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:
svehlova na allin.cz
SMTP error from remote mail server after RCPT TO:<svehlova na allin.cz>:
host allin-cz.mail.protection.outlook.com [104.47.17.138]:
550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [VI1EUR05FT017.eop-eur05.prod.protection.outlook.com]
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