Postfix/DMARC ログ集計レポート 2025-11-21 10:00

Postfix 拒否ログ 上位理由

• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.208.11]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.105]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [160.30.136.226]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.209.3]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.242.37]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.44.65.229]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [213.209.157.55]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.54.33]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [80.87.206.65]: 1

DMARC 失敗送信元 上位

1. 183.181.88.16：1