Postfix/DMARC ログ集計レポート 2025-12-26 14:00

Postfix 拒否ログ 上位理由

• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.16]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.52.164]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.208.213]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [59.106.220.177]: 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, [77.83.39.139]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.94]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [133.125.236.193]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.54.138]: 1

DMARC 失敗送信元 上位

1. 183.181.88.16：1