Postfix/DMARC ログ集計レポート 2026-05-15 16:00

Postfix-log
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Postfix 拒否ログ 上位理由

  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [103.251.31.166]: 10
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [182.225.134.13]: 10
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [141.98.9.119]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [141.98.9.117]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.210.190]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.241]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.17]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.243.228]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.52.139]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.241.5]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.163]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.243.54]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [64.89.161.48]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.36]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.230]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [133.125.225.222]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.54.171]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [80.94.95.7]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [59.106.220.50]: 1
  • 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.242.60]: 1

DMARC 失敗送信元 上位

  1. 183.181.88.16：1
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