Postfix/DMARC ログ集計レポート 2026-09-05 04:00

Postfix 拒否ログ 上位理由

• 554 5.7.1 <naldo.navaro@web.de>: Relay access denied: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.209.144]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.202]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.209.175]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [213.177.179.12]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.53.247]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [91.92.243.237]: 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