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  6. MailData(PowerDMARC)

MailData(PowerDMARC)

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last updated:Apr 17, 2026

Spelldata
Spelldata
  • Official site

DMARC operational foundation to protect both our company and business partners from phishing emails.

Starting in October 2026, the Ministry of Economy, Trade and Industry is scheduled to launch a security rating system, and there is a demand for strengthened measures across the entire supply chain. Supply chain attacks often originate from phishing emails, making the implementation of DMARC and the strengthening of policies crucial measures to protect business partners and customers. Many companies are not fully utilizing these measures due to configuration errors, operational burdens, and the difficulty of analyzing XML format reports. PowerDMARC is a DMARC analysis platform that addresses these challenges. By automating report analysis and visualization, it enables rapid detection of misuse and ensures safe email operations and brand protection. It has been implemented in over 100,000 domains worldwide and more than 1,200 domains in Japan. [Company implementation list survey by Builtwith] https://trends.builtwith.com/websitelist/PowerDMARC/Japan It has been awarded Leader in the DMARC analysis tool category by ITreview for six consecutive terms. https://www.itreview.jp/products/powerdmarc/reviews

    Security Assessment
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MailData(PowerDMARC)

IPROS1.png
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  • Related Link - https://maildata.jp

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basic information

■Dashboard ■Domain Health Check ■RUA (DMARC Aggregate) Report Analysis ■RUF (Forensic) Report Analysis ■TLS Report Analysis ■DKIM Analysis ■Email Sending Volume History Analysis ■XML Report Download/Upload Function ■PDF Daily Report/CSV Report Generation ■Threat Map ■Threat Intelligence ■Hosted Services ・PowerSPF ・Hosted DKIM ・Hosted DMARC ・Hosted MTA-STS ・Hosted BIMI ■Reputation Monitoring ■DNS Timeline ■Various Analysis Tools ■Alert Notifications ■API Integration ■Multi-Domain Management ■User Management ■SAML Single Sign-On ■Audit Logs ■Japanese Language Support

Price information

*The following prices are per domain.* Basic Plan ... Supports up to 500,000 DMARC reports per month/domain. 35,000 yen/year (excluding tax) Plus Plan ... Supports up to 500,000 DMARC reports per month/domain. PowerSPF available. 45,000 yen/year (excluding tax) Premium Plan ... Supports up to 50 million DMARC reports per month/domain. Please contact us. Platinum Plan ... Supports up to 300 million DMARC reports per month/domain. Please contact us.

Price range

P3

Delivery Time

P1

※If you contract for a large number of domains, we offer volume discounts.

Applications/Examples of results

- Manufacturing industry - E-commerce businesses - Medical institutions such as hospitals - Media companies such as TV stations and publishers - Financial industry including banks, securities, and insurance - Payment processing companies - SaaS providers - Transportation industry including railways, airlines, and logistics - Recruitment agencies - Educational institutions such as universities - Local governments and public agencies

Detailed information

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    Starting with the dashboard, all screens are localized in Japanese by Spelldata. Multiple domains can be registered, and the following data can be viewed for each domain: ■ DMARC Pass Rate Overview - Security Assessment - Number of DMARC Reports - DMARC Compliance Rate - DKIM Verification Status - SPF Verification Status ■ Authentication Overview … Daily trends of DMARC pass and fail rates ■ Outbound Email Overview … Number and percentage of direct mail, forwarded mail, and threat/unknown mail ■ Top 5 Threat/Unknown/Mismatch IPs … Displays the top 5 IP addresses based on the number of emails likely sent as spoofed emails ■ Top 5 Sending IPs … Displays the top 5 IP addresses with the highest number of sent emails ■ Threat Map … Maps and displays the IP addresses that sent spoofed emails on a world map

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    Based on the DMARC report, we will automatically classify the sending mail servers into companies based on their AS numbers and visualize the sources. We will mark legitimate senders with whom we have contracts and improve them to achieve SPF and DKIM alignment (normal state). On the other hand, we can efficiently manage senders with minimal impact, such as those on forwarding paths, by organizing them with different priorities. With this functionality, we can complete analysis and corrective actions within 1 to 3 months, allowing for a safe transition of the DMARC policy to p=reject.

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    Threat map. It maps the regional information of the IP addresses that sent phishing emails onto a world map and displays it graphically. You can easily see from which country and city phishing emails were sent in your company's name.

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    Domain health. We investigate and evaluate how well it complies with the security specifications defined in the RFCs regarding email sending and receiving. The highest score is A+. We can qualitatively analyze our company's email security.

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    PowerSPF. It is a feature that can exceed the limit of 10 DNS lookups for SPF. It is possible to obscure the email delivery services used as stated in the SPF record. This is an important feature to counter the BreakSPF attacks that are prevalent in the country, which involve crawling the DNS SPF TXT records and exploiting vulnerabilities in the email delivery services used. Additionally, it can display the number of emails sent for each SPF mechanism as statistical data. Unused includes can be removed. Furthermore, it addresses the issue where, even if a company's DNS is fine, if the third-party SPF mechanisms listed in the SPF encounter errors, the entire SPF fails, through an automatic repair function. Now, PowerSPF has become an indispensable feature for many companies to prevent attacks on their email delivery services.

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    Host-based DKIM. DKIM does not specify a timeout value in the RFC. Therefore, it can be determined by the receiving mail server. Many receiving mail servers have a short timeout value set, for example, in the case of Microsoft, it is 0.5 seconds. When using a DNS service with servers only installed domestically, a Temperror due to DKIM timeout often occurs. By using a globally compatible host-based DKIM, you can deliver DKIM quickly even overseas. Without touching the DNS, you can register or modify DKIM values through the GUI on PowerDMARC. Additionally, it is equipped with statistical analysis features. It is possible to analyze the pass rate for each DKIM selector, the number of sent emails, key length and rotation status, and the duration of continuous use.

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    Host-type DMARC. It is possible to configure DMARC using a GUI. There is no need to touch the DNS, making it a user-friendly feature, especially for companies that have their DNS managed by a third party.

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    Host-type BIMI. It is possible to configure BIMI using a GUI. There is no need to touch the DNS, making it a user-friendly feature, especially for companies that have their DNS managed by a third party.

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    Host-type MTA-STS. It is possible to configure MTA-STS using a GUI. Security measures are important not only for outgoing emails but also for incoming emails. With MTA-STS enforcing TLS reception, it becomes possible to prevent man-in-the-middle attacks. Additionally, regarding email reception, even if attachments are sent directly in the email, encryption will ensure confidentiality.

Line up(4)

Model number overview
Basic Plan DMARC report volume supports up to 500,000 reports per domain per month.
Plus Plan DMARC report volume supports up to 500,000 reports per domain per month. PowerSPF is available.
Premium Plan DMARC report volume supports up to 50 million messages per domain. All features are available.
Platinum Plan DMARC report volume supports up to 300 million messages per domain per month. All features are available.

Company information

Spelldata

Spelldata

Information and Communications

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  • Official site
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We have established and operate measurement and monitoring centers in five cities across the country (Sapporo, Niigata, Tokyo, Osaka, and Fukuoka). The measurement and monitoring systems in operation there are used by major IT companies such as Google and Microsoft, e-commerce sites, and mobile companies like Verizon. We monitor the communication status of your web systems from various locations 24/7, analyze the data, and optimize it to support fast and stable web operations. We can detect communication failures and server issues that have been occurring frequently lately through measurements from across the country and immediately raise alerts. Additionally, we provide a web performance tuning service that ensures the display speed of websites, web applications, and mobile applications is completed within one second nationwide, achieving a 98% yield. Based on statistical quality control, we collect and analyze data, and guarantee the achievement of displaying within one second through genuine performance tuning that fixes issues from the source code. Please feel free to contact us if you have any requests.

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