Together with SPF and DMARC, it has dramatically improved the email security systems of organizations around the world.
Due to the threats lurking on the internet, companies need to adopt strong authentication methods to prove their legitimacy. A common method is DKIM (DomainKeys Identified Mail). This is an email authentication technology that uses cryptographic keys to verify the sender's domain, and with DKIM, the sender's domain is confirmed. In this article, we will introduce how to upgrade the DKIM key for Microsoft Office 365 Exchange Online from 1024 bits to 2048 bits. [Contents] ■ The importance of upgrading the length of DKIM keys ■ Manually upgrading DKIM keys using Exchange Online PowerShell *For more details on the blog, you can view it through the related links. Please feel free to contact us for more information.
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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.