Mail delivery failed: returning message to sender
Mail Delivery System
Mailer-Daemon na orange.es
Středa Září 1 15:06:48 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:
kokt na telegram.cz
SMTP error from remote mail server after MAIL FROM:<linux na linux.cz> SIZE=4508:
host malyvps.hostime.cz [81.0.226.127]: 554 5.7.1 Service unavailable; Client host [62.36.20.214] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?62.36.20.214
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