Countermeasures against spoofing emails, specifications for email encryption: What is DKIM?
Guarantee of the sender's authenticity and the integrity of the message content using public key cryptography!
On our company website, we introduce measures against spoofing emails and the specifications for email encryption. "DKIM" (DomainKeys Identified Mail) utilizes public key cryptography, where the public key is recorded in DNS, and the MTA signs the email using a private key. This allows the receiving MTA to verify the authenticity of the sender and the integrity of the email content. By setting up the record, the receiving mail server can determine whether the email was sent by a legitimate sender upon receiving it. Please refer to the related links for more information. [Contents] ■ Example of operation ■ If only the DKIM settings are configured, the processing is left to the receiving mail server ■ If the sender wants to control the processing, DMARC settings are necessary ■ Is S/MIME not sufficient? *Detailed information can be viewed through the related links. For more details, please feel free to contact us.
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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 also used by major IT companies such as Google and Microsoft, as well as 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, optimize it, and support high-speed and stable web operations. We can detect communication failures and server issues, which 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 conduct data collection and analysis, and guarantee the achievement of displaying within one second through genuine performance tuning that addresses issues from the source code. Please feel free to contact us if you have any requests.