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Measures against spoofing emails, specifications for email encryption: What is SPF?

Measures against spoofing emails, specifications for email encryption: What is SPF?

Register your legitimate email server for your own domain! Introducing examples of operation and limitations.

On our company website, we introduce measures against spoofing emails and the specifications for email encryption. "SPF (Sender Policy Framework)" is a specification that explicitly notifies the receiving MTA of the authorized MTAs by listing the MTAs that can send emails using the email addresses of the managed domain as DNS records. By setting up an SPF record, the receiving mail server can determine whether the email was sent from a legitimate mail server when it receives the email. Please refer to the related links for more information. [Contents] ■ Examples of operation ■ With only SPF settings, how to handle processing is left to the receiving mail server ■ If the sender wants to control the processing, DMARC settings are necessary ■ Is MX record not sufficient? ■ Limitations of SPF ■ Examples that cannot be prevented by SPF records alone *For detailed information, please refer to the related links. For more information, feel free to contact us.

  • Other security systems

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[Data] Settings, Audit, Analysis, Counter Services 'PowerDMARC'

[Data] Settings, Audit, Analysis, Counter Services 'PowerDMARC'

Reporting and threat analysis, DKIM third-party authentication! Information on its value and support system is included!

This document introduces the anti-phishing email measures, settings, audits, analysis, and counter services provided by 'PowerDMARC'. It covers issues related to email, the differences between SPF & DKIM vs S/MIME, and data privacy with PowerDMARC. By setting the report email destination to this service, XML parsing can be performed to generate graphs and analyze IP addresses. [Contents (partial)] ■ Phishing emails used as attack tools ■ Emails that do not arrive ■ PPAP issue ■ Technical specifications ■ SPF (Sender Policy Framework) *For more details, please refer to the PDF document or feel free to contact us.

  • Other security systems

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[Blog] How to Stop Spoofed Emails from My Email Address?

[Blog] How to Stop Spoofed Emails from My Email Address?

Introducing email authentication protocols! Here's how spoofed emails can cause harm.

Spoofing is one of the common types of attacks. Fraudsters love to hijack the names and email addresses of email networks (such as Hotmail and Gmail) to send thousands of fake emails that appear to come from someone you know (like CEOs or executives from competing companies). Let's make sure that identity thieves do not spoof your email address. This article explains how to protect yourself from spoofing emails and why it is important to pay attention to this serious information security threat. [Contents] ■ Spoofing Emails: What are they? ・How do spoofing emails cause harm? ・How can you stop spoofing emails that are continuously sent using your email address? *For more details about the blog, please refer to the related links. Feel free to contact us for more information.

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[Blog] Measures Against Spoofing Emails

[Blog] Measures Against Spoofing Emails

DMARC is a key measure against spoofed emails! We will introduce how to identify them in our blog.

Email spoofing is a type of internet fraud. Hackers impersonate someone else and send emails, using these fake emails to get recipients to open attachments or click on links. This is done in two ways: by stealing your email address or by creating a fake email address that resembles yours. Email spoofing occurs for various reasons, but one common reason is to get the recipient to click on links that lead to websites designed to download malware or viruses onto their computer. In this way, attackers can steal your login information for your bank account and other financial accounts. *For more details about the blog, you can view it through the related links. Please feel free to contact us for more information.*

  • Security Assessment

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