Linux ゲートウェイで特定のドメインからのメールを除外したい

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Linux ゲートウェイで特定のドメインからのメールを除外したい - F-Secure Community

質問

Linux ゲートウェイ（インターネットゲートキーパー）で、特定のドメインからのメールを後方一致のルールで除外したいのですが、うまく動作しません。

回答

カスタム条件による SPAM 設定を利用して、特定のドメインからのメールをすべてSPAM、あるいは、すべて非 SPAM にする場合、「後方一致」による設定において、メールヘッダ内では該当メールアドレスが最後方に位置しない可能性があるため、正常に動作しない可能性がございます。

設定時は「比較方法」で「前方一致」、「後方一致」を利用せずに設定する（これにより全文検索のような動作となります）ことで期待された動作となります。

5.xx　設定例：

ルール範囲：　　　送信者ヘッダ

文字列を一致：　　@non_spam.com

一致オプション：　無設定

処理：　　　　　　　許可