Mail delivery failed: returning message to sender

Mail Delivery System Mailer-Daemon na
Neděle Říjen 3 03:14:31 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:

  andiseklilien na
    SMTP error from remote mail server after RCPT TO:<andiseklilien na>:
    host []: 554 5.7.1 <[]>:
    Client host rejected: Greylisting in effect, sending server blacklisted

Další informace o konferenci Linux