Mail delivery failed: returning message to sender
Mail Delivery System
Mailer-Daemon na orange.es
Pondělí Srpen 30 01:26:56 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:
saty na prasatka.cz
SMTP error from remote mail server after end of data:
host aspmx.l.google.com [74.125.71.27]: 550-5.7.1 [62.36.20.210 18] Our system has detected that this message is
550-5.7.1 likely suspicious due to the very low reputation of the sending IP
550-5.7.1 address. To best protect our users from spam, the message has been
550-5.7.1 blocked. Please visit
550 5.7.1 https://support.google.com/mail/answer/188131 for more information. f23si4678362wmf.5 - gsmtp
prodejstochov na volnz.cz
SMTP error from remote mail server after RCPT TO:<prodejstochov na volnz.cz>:
host mail.gransy.com [185.28.193.36]: 554 5.7.1 Service unavailable; Client host [62.36.20.210] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=62.36.20.210
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