Postfix/DMARC ログ集計レポート 2025-12-19 14:00

Postfix 拒否ログ 上位理由

• 554 5.7.1 <s19788h21@yahoo.com>: Relay access denied: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.15]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.52.59]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.54.155]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [80.87.206.65]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.54.36]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.177]: 1
• 450 4.7.1 Client host rejected: cannot find your reverse hostname, [158.94.209.3]: 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。