Postfix/DMARC ログ集計レポート 2026-08-01 02:00

Postfix 拒否ログ 上位理由

• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [141.98.9.114]: 1
• 554 5.7.1 <chellouk.fb@gmail.com>: Relay access denied: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.12]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.54.71]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [160.250.133.175]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [141.98.9.121]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [64.89.161.56]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [153.120.25.240]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [163.43.70.236]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [153.120.82.188]: 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