[TiLUG] Mail delivery failed: returning message to sender

[Mail Delivery System]

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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:

  ta@mondoweb.it
    host mailer2.mondoweb.it [80.94.119.155]
    SMTP error from remote mail server after RCPT TO:<ta@mondoweb.it>:
    550 5.1.1 <ta@mondoweb.it> User unknown; rejecting
  comcast.net-sapuppo.s@tin.it
    host smtp.tin.it [62.211.72.32]
    SMTP error from remote mail server after pipelined MAIL FROM:<tilug@lists.linux.it> SIZE=55820:
    550 mail not accepted from blacklisted IP address [162.144.235.199]
  lauretta110@alice.it
    host smtp.aliceposta.it [82.57.200.133]
    SMTP error from remote mail server after pipelined MAIL FROM:<tilug@lists.linux.it> SIZE=55820:
    550 mail not accepted from blacklisted IP address [162.144.235.199]
  mimoni@alice.it
    host smtp.aliceposta.it [82.57.200.133]
    SMTP error from remote mail server after pipelined MAIL FROM:<tilug@lists.linux.it> SIZE=55820:
    550 mail not accepted from blacklisted IP address [162.144.235.199]
  birbante123@outlook.it
    host eur.olc.protection.outlook.com [104.47.17.97]
    SMTP error from remote mail server after pipelined MAIL FROM:<tilug@lists.linux.it> SIZE=55820:
    550 5.7.1 Unfortunately, messages from [162.144.235.199] weren't sent. Please contact your Internet service provider since part of their network is on our block list (S3150). You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors. [DB8EUR05FT037.eop-eur05.prod.protection.outlook.com]
  mauro.lng@libero.it
    all hosts for 'libero.it' have been failing for a long time (and retry time not reached)
  coloreviola57@libero.it
    all hosts for 'libero.it' have been failing for a long time (and retry time not reached)
  laure2007@libero.it
    all hosts for 'libero.it' have been failing for a long time (and retry time not reached)
  mozart10@libero.it
    all hosts for 'libero.it' have been failing for a long time (and retry time not reached)
  lecce741@blu.it
    all hosts for 'blu.it' have been failing for a long time (and retry time not reached)
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