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postfixでSMTP送信時「Temporary lookup failure」エラーの原因

Posted at

dockerコンテナからSMTP送信しようと設定を変更していたら「Temporary lookup failure」エラーが出た。

原因: /etc/postfix/main.cf の mynetworks 値が間違えていた。

/etc/postfix/main.cf
- 172.17.0.1/16
+ 172.17.0.0/16
sudo service postfix restart

解決したことを確認。

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