Postfix/DMARC ログ集計レポート 2026-10-24 06:00

Postfix 拒否ログ 上位理由

• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.229]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.54.224]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [102.220.163.144]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.242.171]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [180.93.251.103]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.241.9]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.209.240]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.243.27]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.48]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [87.76.204.200]: 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. 過去7日間のDMARC失敗はありません。