セキュリティ

"Learn about whaling, a targeted phishing attack aimed at executives and high-level personnel. Discover prevention strategies to protect your organization from these sophisticated cyber threats."

捕鯨とは何ですか？ そしてそれを防ぐ方法は？

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P=none DMARC

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"Learn effective strategies to prevent email spoofing, including DMARC, SPF, and DKIM protocols, to protect your domain from phishing and fraud."

電子メールのなりすましを防ぐ方法。

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"Learn about Sender Policy Framework (SPF), an email authentication protocol that prevents email spoofing by verifying authorized senders for a domain."

送信者ポリシーフレームワーク（SPF）とは何ですか

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"Learn about email spoofing, a cyber attack where attackers forge sender addresses to deceive recipients. Discover how email spoofing works and how to protect against it."

電子メールのなりすましとは何ですか？

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SPFレコードとは何ですか？

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DMARCを実装しないリスク

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"Learn why emails from MailChimp may land in spam and explore tips to improve deliverability, including SPF, DKIM, and content optimization strategies."

MailChimpからのメールがまだSPAMに届く？

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DKIMレコードとは何ですか？

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"Explore the ultimate guide to backing up email in 2022. Learn methods for email backup, including cloud storage, local copies, and automated backup solutions to protect your data."

2022年にメールをバックアップする方法（究極のガイド）

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「SPFアライメントに失敗しました」のトラブルシューティング方法

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"Learn about the SPF 10 lookup limit, a restriction on DNS queries in SPF records. Discover why exceeding this limit impacts email deliverability and how to optimize SPF configuration."

SPF10ルックアップ制限とは何ですか？

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