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20th Feb 2024
SPF PermError の原因は何ですか?

ドメインの SPF レコードを正しく解釈できない場合、SPF は PermError (永久エラー) を返します。 SPF TempError (一時的なエラー) とは対照的に、SPF PermError では、システム管理者が問題を修正するための措置を講じる必要があります。

SPF PermError の原因のリストを次に示します:

1 つのドメインで複数の SPF レコードが見つかりました; SPF レコードが構文的に正しくありません; 1 回の SPF チェックに含まれる DNS ルックアップの数が 10 を超えている; 1 回の SPF チェックに含まれる void…
SPF SPF PermError
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20th Feb 2024
SPF PermError: Too Many DNS Lookups - When SPF Record Exceeds 10-DNS-Lookup Limit

"SPF PermError: too many DNS lookups" is a common error seen in many SPF (Sender Policy Framework) implementations. When an often overlooked SPF 10-DNS-lookup limit is exceeded, an SPF PermError, aka SPF permanent error, is returned. SPF PermError's can affect your email deliverability…

SPF SPF PermError Too Many DNS Lookups
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20th Feb 2024
Partial Safe SPF for Non-flattenable SPF Includes

While Safe SPF overcomes the 10-DNS-lookup limit in SPF, sometimes it's desirable to flatten only a part of your SPF record, while leaving the rest as is. If this is the case, you can use partial Safe SPF.

One good reason for this is that some email delivery services like HelpScout, Office 365, At…

SPF SPF PermError Too Many DNS Lookups
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20th Feb 2024
「SPF PermError: too many DNS lookups」を修正する方法

電子メール配信の問題のトラブルシューティングを行う場合、受信側の電子メールサーバーで次のような不可解なSPFエラーが発生する可能性があります:

SPF PermError: too many DNS lookups

SPF Permanent Error: too many DNS lookups

SPF Fail: too many DNS lookups

これらのメッセージは、ドメインのSPFレコードに10を超えるDNSルックアップが含まれていることを示しています。これは、SPF仕様によって課せられたSPF10-DNSルックアップ制限に違反しています。

これが発…

SPF PermError DNS lookup limit

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