Postfix/DMARC ログ集計レポート 2026-07-25 00:00

Postfix 拒否ログ上位理由

554 5.7.1 <k.e.-urban@arcor.de>: Relay access denied: 2
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, [178.16.55.105]: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [77.83.39.233]: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [163.43.116.115]: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [172.94.9.64]: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [80.94.95.7]: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [103.67.163.179]: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [185.169.4.229]: 1
554 5.7.1 <yxt@outlook.fr>: Relay access denied: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.55.192]: 1
450 4.7.1 Client host rejected: cannot find your reverse hostname, [178.16.52.70]: 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