Postfix/DMARC ログ集計レポート 2026-02-13 16:00

Postfix 拒否ログ 上位理由

• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.211.65]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.211.83]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [45.144.212.199]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [77.83.39.90]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.209.166]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.229]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [141.98.10.37]: 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
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [27.102.115.141]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [59.106.208.216]: 1

DMARC 失敗送信元 上位

1. 183.181.88.16：1