No valid SPF record found for fujitsu.co.jp domain.

fujitsu.com.            771     IN      TXT     "v=spf1 ip4:211.128.242.0/26 ip4:202.219.69.128/26 ip4:207.54.90.47 ip4:207.54.90.48 ip4:207.54.90.49 ip4:68.232.139.117 ip4:68.232.139.130 ip4:68.232.139.139 ip4:139.138.61.252 ip4:139.138.61.253 ip4:139.138.36.223 ip4:139.138.36.225 ip4:207.54.90.137 " "ip4:139.138.37.100 include:spf.protection.outlook.com include:mktomail.com mx:fujitsu.com include:spf.messagelabs.com ?all"

1. history

To have maximum security, ensure the mechanism is either '~all' (soft fail) or '-all' (hard fail) and update your record

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