Postfix/DMARC ログ集計レポート 2026-08-22 02:00

Postfix 拒否ログ 上位理由

• 554 5.7.1 <dork.Eagles@hotmail.com>: Relay access denied: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.210.4]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.209.132]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.240.92]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [172.94.9.177]: 1
• 554 5.7.1 <david-123@t-online.de>: Relay access denied: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [77.83.39.11]: 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